20121754784

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{27901}}^1$

素因数の和:28669

約数の個数: 48

約数和(自身を含む): 40950314496

約数和(自身を除く): 20828559712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 727, 992, 1454, 2908, 5816, 11632, 22537, 23264, 27901, 45074, 55802, 90148, 111604, 180296, 223208, 360592, 446416, 721184, 864931, 892832, 1729862, 3459724, 6919448, 13838896, 20284027, 27677792, 40568054, 81136108, 162272216, 324544432, 628804837, 649088864, 1257609674, 2515219348, 5030438696, 10060877392, 20121754784]

約数ペア:

[(1, 20121754784), (2, 10060877392), (4, 5030438696), (8, 2515219348), (16, 1257609674), (31, 649088864), (32, 628804837), (62, 324544432), (124, 162272216), (248, 81136108), (496, 40568054), (727, 27677792), (992, 20284027), (1454, 13838896), (2908, 6919448), (5816, 3459724), (11632, 1729862), (22537, 892832), (23264, 864931), (27901, 721184), (45074, 446416), (55802, 360592), (90148, 223208), (111604, 180296)]