20951100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23279}}^1$

素因数の和:23299

約数の個数: 54

約数和(自身を含む): 65672880

約数和(自身を除く): 44721780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23279, 46558, 69837, 93116, 116395, 139674, 209511, 232790, 279348, 349185, 419022, 465580, 581975, 698370, 838044, 1047555, 1163950, 1396740, 1745925, 2095110, 2327900, 3491850, 4190220, 5237775, 6983700, 10475550, 20951100]

約数ペア:

[(1, 20951100), (2, 10475550), (3, 6983700), (4, 5237775), (5, 4190220), (6, 3491850), (9, 2327900), (10, 2095110), (12, 1745925), (15, 1396740), (18, 1163950), (20, 1047555), (25, 838044), (30, 698370), (36, 581975), (45, 465580), (50, 419022), (60, 349185), (75, 279348), (90, 232790), (100, 209511), (150, 139674), (180, 116395), (225, 93116), (300, 69837), (450, 46558), (900, 23279)]