20874900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 40058700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 467, 596, 745, 894, 934, 1401, 1490, 1788, 1868, 2235, 2335, 2802, 2980, 3725, 4470, 4670, 5604, 7005, 7450, 8940, 9340, 11175, 11675, 14010, 14900, 22350, 23350, 28020, 35025, 44700, 46700, 69583, 70050, 139166, 140100, 208749, 278332, 347915, 417498, 695830, 834996, 1043745, 1391660, 1739575, 2087490, 3479150, 4174980, 5218725, 6958300, 10437450, 20874900]

約数ペア:

[(1, 20874900), (2, 10437450), (3, 6958300), (4, 5218725), (5, 4174980), (6, 3479150), (10, 2087490), (12, 1739575), (15, 1391660), (20, 1043745), (25, 834996), (30, 695830), (50, 417498), (60, 347915), (75, 278332), (100, 208749), (149, 140100), (150, 139166), (298, 70050), (300, 69583), (447, 46700), (467, 44700), (596, 35025), (745, 28020), (894, 23350), (934, 22350), (1401, 14900), (1490, 14010), (1788, 11675), (1868, 11175), (2235, 9340), (2335, 8940), (2802, 7450), (2980, 7005), (3725, 5604), (4470, 4670)]