20317070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 38462688

約数和(自身を除く): 18145618

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1277, 1591, 2554, 3182, 6385, 7955, 12770, 15910, 47249, 54911, 94498, 109822, 236245, 274555, 472490, 549110, 2031707, 4063414, 10158535, 20317070]

約数ペア:

[(1, 20317070), (2, 10158535), (5, 4063414), (10, 2031707), (37, 549110), (43, 472490), (74, 274555), (86, 236245), (185, 109822), (215, 94498), (370, 54911), (430, 47249), (1277, 15910), (1591, 12770), (2554, 7955), (3182, 6385)]