20813664

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11411}}^1$

素因数の和:11443

約数の個数: 48

約数和(自身を含む): 57516480

約数和(自身を除く): 36702816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11411, 22822, 34233, 45644, 68466, 91288, 136932, 182576, 216809, 273864, 365152, 433618, 547728, 650427, 867236, 1095456, 1300854, 1734472, 2601708, 3468944, 5203416, 6937888, 10406832, 20813664]

約数ペア:

[(1, 20813664), (2, 10406832), (3, 6937888), (4, 5203416), (6, 3468944), (8, 2601708), (12, 1734472), (16, 1300854), (19, 1095456), (24, 867236), (32, 650427), (38, 547728), (48, 433618), (57, 365152), (76, 273864), (96, 216809), (114, 182576), (152, 136932), (228, 91288), (304, 68466), (456, 45644), (608, 34233), (912, 22822), (1824, 11411)]