20117340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1619

約数の個数: 72

約数和(自身を含む): 61898928

約数和(自身を除く): 41781588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 1531, 2190, 2628, 3062, 3285, 4380, 4593, 6124, 6570, 7655, 9186, 13140, 13779, 15310, 18372, 22965, 27558, 30620, 45930, 55116, 68895, 91860, 111763, 137790, 223526, 275580, 335289, 447052, 558815, 670578, 1005867, 1117630, 1341156, 1676445, 2011734, 2235260, 3352890, 4023468, 5029335, 6705780, 10058670, 20117340]

約数ペア:

[(1, 20117340), (2, 10058670), (3, 6705780), (4, 5029335), (5, 4023468), (6, 3352890), (9, 2235260), (10, 2011734), (12, 1676445), (15, 1341156), (18, 1117630), (20, 1005867), (30, 670578), (36, 558815), (45, 447052), (60, 335289), (73, 275580), (90, 223526), (146, 137790), (180, 111763), (219, 91860), (292, 68895), (365, 55116), (438, 45930), (657, 30620), (730, 27558), (876, 22965), (1095, 18372), (1314, 15310), (1460, 13779), (1531, 13140), (2190, 9186), (2628, 7655), (3062, 6570), (3285, 6124), (4380, 4593)]