20432600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 50314860

約数和(自身を除く): 29882260

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 283, 361, 380, 475, 566, 722, 760, 950, 1132, 1415, 1444, 1805, 1900, 2264, 2830, 2888, 3610, 3800, 5377, 5660, 7075, 7220, 9025, 10754, 11320, 14150, 14440, 18050, 21508, 26885, 28300, 36100, 43016, 53770, 56600, 72200, 102163, 107540, 134425, 204326, 215080, 268850, 408652, 510815, 537700, 817304, 1021630, 1075400, 2043260, 2554075, 4086520, 5108150, 10216300, 20432600]

約数ペア:

[(1, 20432600), (2, 10216300), (4, 5108150), (5, 4086520), (8, 2554075), (10, 2043260), (19, 1075400), (20, 1021630), (25, 817304), (38, 537700), (40, 510815), (50, 408652), (76, 268850), (95, 215080), (100, 204326), (152, 134425), (190, 107540), (200, 102163), (283, 72200), (361, 56600), (380, 53770), (475, 43016), (566, 36100), (722, 28300), (760, 26885), (950, 21508), (1132, 18050), (1415, 14440), (1444, 14150), (1805, 11320), (1900, 10754), (2264, 9025), (2830, 7220), (2888, 7075), (3610, 5660), (3800, 5377)]