20268450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:708

約数の個数: 72

約数和(自身を含む): 55289988

約数和(自身を除く): 35021538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 146, 150, 219, 225, 365, 438, 450, 617, 657, 730, 1095, 1234, 1314, 1825, 1851, 2190, 3085, 3285, 3650, 3702, 5475, 5553, 6170, 6570, 9255, 10950, 11106, 15425, 16425, 18510, 27765, 30850, 32850, 45041, 46275, 55530, 90082, 92550, 135123, 138825, 225205, 270246, 277650, 405369, 450410, 675615, 810738, 1126025, 1351230, 2026845, 2252050, 3378075, 4053690, 6756150, 10134225, 20268450]

約数ペア:

[(1, 20268450), (2, 10134225), (3, 6756150), (5, 4053690), (6, 3378075), (9, 2252050), (10, 2026845), (15, 1351230), (18, 1126025), (25, 810738), (30, 675615), (45, 450410), (50, 405369), (73, 277650), (75, 270246), (90, 225205), (146, 138825), (150, 135123), (219, 92550), (225, 90082), (365, 55530), (438, 46275), (450, 45041), (617, 32850), (657, 30850), (730, 27765), (1095, 18510), (1234, 16425), (1314, 15425), (1825, 11106), (1851, 10950), (2190, 9255), (3085, 6570), (3285, 6170), (3650, 5553), (3702, 5475)]