20198060872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 43197235200

約数和(自身を除く): 22999174328

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 61, 88, 94, 122, 188, 223, 244, 359, 376, 446, 488, 517, 671, 718, 892, 1034, 1342, 1436, 1784, 2068, 2453, 2684, 2867, 2872, 3949, 4136, 4906, 5368, 5734, 7898, 9812, 10481, 11468, 13603, 15796, 16873, 19624, 20962, 21899, 22936, 27206, 31537, 31592, 33746, 41924, 43798, 54412, 63074, 67492, 80057, 83848, 87596, 108824, 115291, 126148, 134984, 149633, 160114, 175192, 185603, 230582, 240889, 252296, 299266, 320228, 371206, 461164, 481778, 598532, 639341, 640456, 742412, 880627, 922328, 963556, 1029253, 1197064, 1278682, 1484824, 1761254, 1927112, 2058506, 2557364, 3522508, 3762679, 4117012, 4883477, 5114728, 7032751, 7045016, 7525358, 8234024, 9766954, 11321783, 14065502, 15050716, 19533908, 22643566, 28131004, 30101432, 39067816, 41389469, 45287132, 53718247, 56262008, 82778938, 90574264, 107436494, 165557876, 214872988, 229523419, 331115752, 429745976, 459046838, 918093676, 1836187352, 2524757609, 5049515218, 10099030436, 20198060872]

約数ペア:

[(1, 20198060872), (2, 10099030436), (4, 5049515218), (8, 2524757609), (11, 1836187352), (22, 918093676), (44, 459046838), (47, 429745976), (61, 331115752), (88, 229523419), (94, 214872988), (122, 165557876), (188, 107436494), (223, 90574264), (244, 82778938), (359, 56262008), (376, 53718247), (446, 45287132), (488, 41389469), (517, 39067816), (671, 30101432), (718, 28131004), (892, 22643566), (1034, 19533908), (1342, 15050716), (1436, 14065502), (1784, 11321783), (2068, 9766954), (2453, 8234024), (2684, 7525358), (2867, 7045016), (2872, 7032751), (3949, 5114728), (4136, 4883477), (4906, 4117012), (5368, 3762679), (5734, 3522508), (7898, 2557364), (9812, 2058506), (10481, 1927112), (11468, 1761254), (13603, 1484824), (15796, 1278682), (16873, 1197064), (19624, 1029253), (20962, 963556), (21899, 922328), (22936, 880627), (27206, 742412), (31537, 640456), (31592, 639341), (33746, 598532), (41924, 481778), (43798, 461164), (54412, 371206), (63074, 320228), (67492, 299266), (80057, 252296), (83848, 240889), (87596, 230582), (108824, 185603), (115291, 175192), (126148, 160114), (134984, 149633)]