20453100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 59996160

約数和(自身を除く): 39543060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 863, 948, 1185, 1580, 1726, 1975, 2370, 2589, 3452, 3950, 4315, 4740, 5178, 5925, 7900, 8630, 10356, 11850, 12945, 17260, 21575, 23700, 25890, 43150, 51780, 64725, 68177, 86300, 129450, 136354, 204531, 258900, 272708, 340885, 409062, 681770, 818124, 1022655, 1363540, 1704425, 2045310, 3408850, 4090620, 5113275, 6817700, 10226550, 20453100]

約数ペア:

[(1, 20453100), (2, 10226550), (3, 6817700), (4, 5113275), (5, 4090620), (6, 3408850), (10, 2045310), (12, 1704425), (15, 1363540), (20, 1022655), (25, 818124), (30, 681770), (50, 409062), (60, 340885), (75, 272708), (79, 258900), (100, 204531), (150, 136354), (158, 129450), (237, 86300), (300, 68177), (316, 64725), (395, 51780), (474, 43150), (790, 25890), (863, 23700), (948, 21575), (1185, 17260), (1580, 12945), (1726, 11850), (1975, 10356), (2370, 8630), (2589, 7900), (3452, 5925), (3950, 5178), (4315, 4740)]