20137984568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{136651}}^1$

素因数の和:136792

約数の個数: 48

約数和(自身を含む): 41262071400

約数和(自身を除く): 21124086832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 218, 338, 436, 676, 872, 1352, 1417, 2834, 5668, 11336, 18421, 36842, 73684, 136651, 147368, 273302, 546604, 1093208, 1776463, 3552926, 7105852, 14211704, 14894959, 23094019, 29789918, 46188038, 59579836, 92376076, 119159672, 184752152, 193634467, 387268934, 774537868, 1549075736, 2517248071, 5034496142, 10068992284, 20137984568]

約数ペア:

[(1, 20137984568), (2, 10068992284), (4, 5034496142), (8, 2517248071), (13, 1549075736), (26, 774537868), (52, 387268934), (104, 193634467), (109, 184752152), (169, 119159672), (218, 92376076), (338, 59579836), (436, 46188038), (676, 29789918), (872, 23094019), (1352, 14894959), (1417, 14211704), (2834, 7105852), (5668, 3552926), (11336, 1776463), (18421, 1093208), (36842, 546604), (73684, 273302), (136651, 147368)]