20328430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 18675986

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 607, 985, 1214, 1970, 3035, 3349, 6070, 6698, 10319, 16745, 20638, 33490, 51595, 103190, 119579, 239158, 597895, 1195790, 2032843, 4065686, 10164215, 20328430]

約数ペア:

[(1, 20328430), (2, 10164215), (5, 4065686), (10, 2032843), (17, 1195790), (34, 597895), (85, 239158), (170, 119579), (197, 103190), (394, 51595), (607, 33490), (985, 20638), (1214, 16745), (1970, 10319), (3035, 6698), (3349, 6070)]