20616410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{701}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 39575952

約数和(自身を除く): 18959542

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 701, 865, 1402, 1730, 2941, 3505, 5882, 7010, 11917, 14705, 23834, 29410, 59585, 119170, 121273, 242546, 606365, 1212730, 2061641, 4123282, 10308205, 20616410]

約数ペア:

[(1, 20616410), (2, 10308205), (5, 4123282), (10, 2061641), (17, 1212730), (34, 606365), (85, 242546), (170, 121273), (173, 119170), (346, 59585), (701, 29410), (865, 23834), (1402, 14705), (1730, 11917), (2941, 7010), (3505, 5882)]