20743312

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6581}}^1$

素因数の和:6786

約数の個数: 20

約数和(自身を含む): 40400316

約数和(自身を除く): 19657004

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6581, 13162, 26324, 52648, 105296, 1296457, 2592914, 5185828, 10371656, 20743312]

約数ペア:

[(1, 20743312), (2, 10371656), (4, 5185828), (8, 2592914), (16, 1296457), (197, 105296), (394, 52648), (788, 26324), (1576, 13162), (3152, 6581)]