20796900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 60662784

約数和(自身を除く): 39865884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 181, 300, 362, 383, 543, 724, 766, 905, 1086, 1149, 1532, 1810, 1915, 2172, 2298, 2715, 3620, 3830, 4525, 4596, 5430, 5745, 7660, 9050, 9575, 10860, 11490, 13575, 18100, 19150, 22980, 27150, 28725, 38300, 54300, 57450, 69323, 114900, 138646, 207969, 277292, 346615, 415938, 693230, 831876, 1039845, 1386460, 1733075, 2079690, 3466150, 4159380, 5199225, 6932300, 10398450, 20796900]

約数ペア:

[(1, 20796900), (2, 10398450), (3, 6932300), (4, 5199225), (5, 4159380), (6, 3466150), (10, 2079690), (12, 1733075), (15, 1386460), (20, 1039845), (25, 831876), (30, 693230), (50, 415938), (60, 346615), (75, 277292), (100, 207969), (150, 138646), (181, 114900), (300, 69323), (362, 57450), (383, 54300), (543, 38300), (724, 28725), (766, 27150), (905, 22980), (1086, 19150), (1149, 18100), (1532, 13575), (1810, 11490), (1915, 10860), (2172, 9575), (2298, 9050), (2715, 7660), (3620, 5745), (3830, 5430), (4525, 4596)]