20057777285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1\times {\mathrm{941}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 30081300480

約数和(自身を除く): 10023523195

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 593, 941, 1027, 2765, 2965, 4151, 4705, 5135, 6587, 7189, 7709, 12233, 20755, 32935, 35945, 38545, 46847, 53963, 61165, 74339, 85631, 234235, 269815, 327929, 371695, 428155, 520373, 558013, 609011, 966407, 1639645, 2601865, 2790065, 3045055, 3906091, 4263077, 4832035, 6764849, 7254169, 19530455, 21315385, 33824245, 36270845, 44083027, 50779183, 220415135, 253895915, 308581189, 573079351, 1542905945, 2865396755, 4011555457, 20057777285]

約数ペア:

[(1, 20057777285), (5, 4011555457), (7, 2865396755), (13, 1542905945), (35, 573079351), (65, 308581189), (79, 253895915), (91, 220415135), (395, 50779183), (455, 44083027), (553, 36270845), (593, 33824245), (941, 21315385), (1027, 19530455), (2765, 7254169), (2965, 6764849), (4151, 4832035), (4705, 4263077), (5135, 3906091), (6587, 3045055), (7189, 2790065), (7709, 2601865), (12233, 1639645), (20755, 966407), (32935, 609011), (35945, 558013), (38545, 520373), (46847, 428155), (53963, 371695), (61165, 327929), (74339, 269815), (85631, 234235)]