20163578838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{307381}}^1$

素因数の和:307457

約数の個数: 48

約数和(自身を含む): 44978593296

約数和(自身を除く): 24815014458

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 841, 1131, 1682, 2262, 2523, 5046, 10933, 21866, 32799, 65598, 307381, 614762, 922143, 1844286, 3995953, 7991906, 8914049, 11987859, 17828098, 23975718, 26742147, 53484294, 115882637, 231765274, 258507421, 347647911, 517014842, 695295822, 775522263, 1551044526, 3360596473, 6721192946, 10081789419, 20163578838]

約数ペア:

[(1, 20163578838), (2, 10081789419), (3, 6721192946), (6, 3360596473), (13, 1551044526), (26, 775522263), (29, 695295822), (39, 517014842), (58, 347647911), (78, 258507421), (87, 231765274), (174, 115882637), (377, 53484294), (754, 26742147), (841, 23975718), (1131, 17828098), (1682, 11987859), (2262, 8914049), (2523, 7991906), (5046, 3995953), (10933, 1844286), (21866, 922143), (32799, 614762), (65598, 307381)]