20621988244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2120731}}^1$

素因数の和:2120776

約数の個数: 48

約数和(自身を含む): 44891654976

約数和(自身を除く): 24269666732

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 2120731, 4241462, 8482924, 23328041, 27569503, 36052427, 46656082, 55139006, 72104854, 93312164, 110278012, 144209708, 303264533, 396576697, 468681551, 606529066, 793153394, 937363102, 1213058132, 1586306788, 1874726204, 5155497061, 10310994122, 20621988244]

約数ペア:

[(1, 20621988244), (2, 10310994122), (4, 5155497061), (11, 1874726204), (13, 1586306788), (17, 1213058132), (22, 937363102), (26, 793153394), (34, 606529066), (44, 468681551), (52, 396576697), (68, 303264533), (143, 144209708), (187, 110278012), (221, 93312164), (286, 72104854), (374, 55139006), (442, 46656082), (572, 36052427), (748, 27569503), (884, 23328041), (2431, 8482924), (4862, 4241462), (9724, 2120731)]