20186590912

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{24877}}^1$

素因数の和:25329

約数の個数: 56

約数和(自身を含む): 41452718720

約数和(自身を除く): 21266127808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 409, 496, 818, 992, 1636, 1984, 3272, 6544, 12679, 13088, 24877, 25358, 26176, 49754, 50716, 99508, 101432, 199016, 202864, 398032, 405728, 771187, 796064, 811456, 1542374, 1592128, 3084748, 6169496, 10174693, 12338992, 20349386, 24677984, 40698772, 49355968, 81397544, 162795088, 315415483, 325590176, 630830966, 651180352, 1261661932, 2523323864, 5046647728, 10093295456, 20186590912]

約数ペア:

[(1, 20186590912), (2, 10093295456), (4, 5046647728), (8, 2523323864), (16, 1261661932), (31, 651180352), (32, 630830966), (62, 325590176), (64, 315415483), (124, 162795088), (248, 81397544), (409, 49355968), (496, 40698772), (818, 24677984), (992, 20349386), (1636, 12338992), (1984, 10174693), (3272, 6169496), (6544, 3084748), (12679, 1592128), (13088, 1542374), (24877, 811456), (25358, 796064), (26176, 771187), (49754, 405728), (50716, 398032), (99508, 202864), (101432, 199016)]