20003260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 23433476

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 167, 212, 226, 265, 334, 452, 530, 565, 668, 835, 1060, 1130, 1670, 2260, 3340, 5989, 8851, 11978, 17702, 18871, 23956, 29945, 35404, 37742, 44255, 59890, 75484, 88510, 94355, 119780, 177020, 188710, 377420, 1000163, 2000326, 4000652, 5000815, 10001630, 20003260]

約数ペア:

[(1, 20003260), (2, 10001630), (4, 5000815), (5, 4000652), (10, 2000326), (20, 1000163), (53, 377420), (106, 188710), (113, 177020), (167, 119780), (212, 94355), (226, 88510), (265, 75484), (334, 59890), (452, 44255), (530, 37742), (565, 35404), (668, 29945), (835, 23956), (1060, 18871), (1130, 17702), (1670, 11978), (2260, 8851), (3340, 5989)]