20001984900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{547}}^1\times {\mathrm{121889}}^1$

素因数の和:122453

約数の個数: 72

約数和(自身を含む): 57978684960

約数和(自身を除く): 37976700060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 547, 1094, 1641, 2188, 2735, 3282, 5470, 6564, 8205, 10940, 13675, 16410, 27350, 32820, 41025, 54700, 82050, 121889, 164100, 243778, 365667, 487556, 609445, 731334, 1218890, 1462668, 1828335, 2437780, 3047225, 3656670, 6094450, 7313340, 9141675, 12188900, 18283350, 36566700, 66673283, 133346566, 200019849, 266693132, 333366415, 400039698, 666732830, 800079396, 1000099245, 1333465660, 1666832075, 2000198490, 3333664150, 4000396980, 5000496225, 6667328300, 10000992450, 20001984900]

約数ペア:

[(1, 20001984900), (2, 10000992450), (3, 6667328300), (4, 5000496225), (5, 4000396980), (6, 3333664150), (10, 2000198490), (12, 1666832075), (15, 1333465660), (20, 1000099245), (25, 800079396), (30, 666732830), (50, 400039698), (60, 333366415), (75, 266693132), (100, 200019849), (150, 133346566), (300, 66673283), (547, 36566700), (1094, 18283350), (1641, 12188900), (2188, 9141675), (2735, 7313340), (3282, 6094450), (5470, 3656670), (6564, 3047225), (8205, 2437780), (10940, 1828335), (13675, 1462668), (16410, 1218890), (27350, 731334), (32820, 609445), (41025, 487556), (54700, 365667), (82050, 243778), (121889, 164100)]