20218649836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:836

約数の個数: 192

約数和(自身を含む): 47516958720

約数和(自身を除く): 27298308884

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 61, 71, 77, 92, 122, 142, 154, 161, 244, 253, 284, 308, 322, 427, 497, 506, 644, 659, 671, 781, 854, 994, 1012, 1318, 1342, 1403, 1562, 1633, 1708, 1771, 1988, 2636, 2684, 2806, 3124, 3266, 3542, 4331, 4613, 4697, 5467, 5612, 6532, 7084, 7249, 8662, 9226, 9394, 9821, 10934, 11431, 14498, 15157, 15433, 17324, 17963, 18452, 18788, 19642, 21868, 22862, 28996, 30314, 30317, 30866, 35926, 39284, 40199, 45724, 46789, 47641, 50743, 60628, 60634, 61732, 71852, 80398, 93578, 95282, 99613, 101486, 106099, 108031, 121268, 125741, 160796, 166727, 187156, 190564, 199226, 202972, 212198, 216062, 251482, 281393, 327523, 333454, 333487, 398452, 424396, 432124, 442189, 502964, 514679, 562786, 655046, 666908, 666974, 697291, 884378, 924577, 1029358, 1076147, 1095743, 1125572, 1167089, 1310092, 1333948, 1394582, 1768756, 1849154, 2058716, 2152294, 2191486, 2334178, 2789164, 2854129, 3095323, 3602753, 3698308, 4304588, 4382972, 4668356, 5708258, 6190646, 6472039, 7205506, 7533029, 7670201, 10170347, 11416516, 11837617, 12381292, 12944078, 14411012, 15066058, 15340402, 19978903, 20340694, 23675234, 25888156, 30132116, 30680804, 31395419, 39957806, 40681388, 47350468, 62790838, 65644967, 71192429, 79915612, 82863319, 125581676, 131289934, 142384858, 165726638, 219767933, 262579868, 284769716, 331453276, 439535866, 459514769, 722094637, 879071732, 919029538, 1444189274, 1838059076, 2888378548, 5054662459, 10109324918, 20218649836]

約数ペア:

[(1, 20218649836), (2, 10109324918), (4, 5054662459), (7, 2888378548), (11, 1838059076), (14, 1444189274), (22, 919029538), (23, 879071732), (28, 722094637), (44, 459514769), (46, 439535866), (61, 331453276), (71, 284769716), (77, 262579868), (92, 219767933), (122, 165726638), (142, 142384858), (154, 131289934), (161, 125581676), (244, 82863319), (253, 79915612), (284, 71192429), (308, 65644967), (322, 62790838), (427, 47350468), (497, 40681388), (506, 39957806), (644, 31395419), (659, 30680804), (671, 30132116), (781, 25888156), (854, 23675234), (994, 20340694), (1012, 19978903), (1318, 15340402), (1342, 15066058), (1403, 14411012), (1562, 12944078), (1633, 12381292), (1708, 11837617), (1771, 11416516), (1988, 10170347), (2636, 7670201), (2684, 7533029), (2806, 7205506), (3124, 6472039), (3266, 6190646), (3542, 5708258), (4331, 4668356), (4613, 4382972), (4697, 4304588), (5467, 3698308), (5612, 3602753), (6532, 3095323), (7084, 2854129), (7249, 2789164), (8662, 2334178), (9226, 2191486), (9394, 2152294), (9821, 2058716), (10934, 1849154), (11431, 1768756), (14498, 1394582), (15157, 1333948), (15433, 1310092), (17324, 1167089), (17963, 1125572), (18452, 1095743), (18788, 1076147), (19642, 1029358), (21868, 924577), (22862, 884378), (28996, 697291), (30314, 666974), (30317, 666908), (30866, 655046), (35926, 562786), (39284, 514679), (40199, 502964), (45724, 442189), (46789, 432124), (47641, 424396), (50743, 398452), (60628, 333487), (60634, 333454), (61732, 327523), (71852, 281393), (80398, 251482), (93578, 216062), (95282, 212198), (99613, 202972), (101486, 199226), (106099, 190564), (108031, 187156), (121268, 166727), (125741, 160796)]