20436350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 42117840

約数和(自身を除く): 21681490

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 275, 365, 509, 550, 730, 803, 1018, 1606, 1825, 2545, 3650, 4015, 5090, 5599, 8030, 11198, 12725, 20075, 25450, 27995, 37157, 40150, 55990, 74314, 139975, 185785, 279950, 371570, 408727, 817454, 928925, 1857850, 2043635, 4087270, 10218175, 20436350]

約数ペア:

[(1, 20436350), (2, 10218175), (5, 4087270), (10, 2043635), (11, 1857850), (22, 928925), (25, 817454), (50, 408727), (55, 371570), (73, 279950), (110, 185785), (146, 139975), (275, 74314), (365, 55990), (509, 40150), (550, 37157), (730, 27995), (803, 25450), (1018, 20075), (1606, 12725), (1825, 11198), (2545, 8030), (3650, 5599), (4015, 5090)]