20903700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 61558560

約数和(自身を除く): 40654860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 150, 177, 236, 295, 300, 354, 590, 708, 885, 1180, 1181, 1475, 1770, 2362, 2950, 3540, 3543, 4425, 4724, 5900, 5905, 7086, 8850, 11810, 14172, 17700, 17715, 23620, 29525, 35430, 59050, 69679, 70860, 88575, 118100, 139358, 177150, 209037, 278716, 348395, 354300, 418074, 696790, 836148, 1045185, 1393580, 1741975, 2090370, 3483950, 4180740, 5225925, 6967900, 10451850, 20903700]

約数ペア:

[(1, 20903700), (2, 10451850), (3, 6967900), (4, 5225925), (5, 4180740), (6, 3483950), (10, 2090370), (12, 1741975), (15, 1393580), (20, 1045185), (25, 836148), (30, 696790), (50, 418074), (59, 354300), (60, 348395), (75, 278716), (100, 209037), (118, 177150), (150, 139358), (177, 118100), (236, 88575), (295, 70860), (300, 69679), (354, 59050), (590, 35430), (708, 29525), (885, 23620), (1180, 17715), (1181, 17700), (1475, 14172), (1770, 11810), (2362, 8850), (2950, 7086), (3540, 5905), (3543, 5900), (4425, 4724)]