20304160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6679}}^1$

素因数の和:6713

約数の個数: 48

約数和(自身を含む): 50500800

約数和(自身を除く): 30196640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6679, 13358, 26716, 33395, 53432, 66790, 106864, 126901, 133580, 213728, 253802, 267160, 507604, 534320, 634505, 1015208, 1068640, 1269010, 2030416, 2538020, 4060832, 5076040, 10152080, 20304160]

約数ペア:

[(1, 20304160), (2, 10152080), (4, 5076040), (5, 4060832), (8, 2538020), (10, 2030416), (16, 1269010), (19, 1068640), (20, 1015208), (32, 634505), (38, 534320), (40, 507604), (76, 267160), (80, 253802), (95, 213728), (152, 133580), (160, 126901), (190, 106864), (304, 66790), (380, 53432), (608, 33395), (760, 26716), (1520, 13358), (3040, 6679)]