20805864

素因数分解:

$2^3\times 3^1\times {\mathrm{419}}^1\times {\mathrm{2069}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 31358136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 419, 838, 1257, 1676, 2069, 2514, 3352, 4138, 5028, 6207, 8276, 10056, 12414, 16552, 24828, 49656, 866911, 1733822, 2600733, 3467644, 5201466, 6935288, 10402932, 20805864]

約数ペア:

[(1, 20805864), (2, 10402932), (3, 6935288), (4, 5201466), (6, 3467644), (8, 2600733), (12, 1733822), (24, 866911), (419, 49656), (838, 24828), (1257, 16552), (1676, 12414), (2069, 10056), (2514, 8276), (3352, 6207), (4138, 5028)]