20828128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38287}}^1$

素因数の和:38314

約数の個数: 24

約数和(自身を含む): 43418592

約数和(自身を除く): 22590464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38287, 76574, 153148, 306296, 612592, 650879, 1225184, 1301758, 2603516, 5207032, 10414064, 20828128]

約数ペア:

[(1, 20828128), (2, 10414064), (4, 5207032), (8, 2603516), (16, 1301758), (17, 1225184), (32, 650879), (34, 612592), (68, 306296), (136, 153148), (272, 76574), (544, 38287)]