20182604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 20742196

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 79, 158, 221, 289, 316, 442, 578, 884, 1027, 1156, 1343, 2054, 2686, 3757, 4108, 4913, 5372, 7514, 9826, 15028, 17459, 19652, 22831, 34918, 45662, 63869, 69836, 91324, 127738, 255476, 296803, 388127, 593606, 776254, 1187212, 1552508, 5045651, 10091302, 20182604]

約数ペア:

[(1, 20182604), (2, 10091302), (4, 5045651), (13, 1552508), (17, 1187212), (26, 776254), (34, 593606), (52, 388127), (68, 296803), (79, 255476), (158, 127738), (221, 91324), (289, 69836), (316, 63869), (442, 45662), (578, 34918), (884, 22831), (1027, 19652), (1156, 17459), (1343, 15028), (2054, 9826), (2686, 7514), (3757, 5372), (4108, 4913)]