20073475071

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1231}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 32076076032

約数和(自身を除く): 12002600961

約数列:

[1, 3, 9, 13, 39, 71, 117, 151, 169, 213, 453, 507, 639, 923, 1231, 1359, 1521, 1963, 2769, 3693, 5889, 8307, 10721, 11079, 11999, 16003, 17667, 25519, 32163, 35997, 48009, 76557, 87401, 96489, 107991, 139373, 144027, 185881, 208039, 229671, 262203, 418119, 557643, 624117, 786609, 1136213, 1254357, 1672929, 1811849, 1872351, 2416453, 3408639, 5435547, 7249359, 10225917, 13197551, 14770769, 16306641, 21748077, 31413889, 39592653, 44312307, 94241667, 118777959, 132936921, 171568163, 282725001, 514704489, 1544113467, 2230386119, 6691158357, 20073475071]

約数ペア:

[(1, 20073475071), (3, 6691158357), (9, 2230386119), (13, 1544113467), (39, 514704489), (71, 282725001), (117, 171568163), (151, 132936921), (169, 118777959), (213, 94241667), (453, 44312307), (507, 39592653), (639, 31413889), (923, 21748077), (1231, 16306641), (1359, 14770769), (1521, 13197551), (1963, 10225917), (2769, 7249359), (3693, 5435547), (5889, 3408639), (8307, 2416453), (10721, 1872351), (11079, 1811849), (11999, 1672929), (16003, 1254357), (17667, 1136213), (25519, 786609), (32163, 624117), (35997, 557643), (48009, 418119), (76557, 262203), (87401, 229671), (96489, 208039), (107991, 185881), (139373, 144027)]