20153445890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{879679}}^1$

素因数の和:879794

約数の個数: 32

約数和(自身を含む): 38002176000

約数和(自身を除く): 17848730110

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 2291, 4582, 11455, 22910, 879679, 1759358, 4398395, 8796790, 25510691, 51021382, 69494641, 127553455, 138989282, 255106910, 347473205, 694946410, 2015344589, 4030689178, 10076722945, 20153445890]

約数ペア:

[(1, 20153445890), (2, 10076722945), (5, 4030689178), (10, 2015344589), (29, 694946410), (58, 347473205), (79, 255106910), (145, 138989282), (158, 127553455), (290, 69494641), (395, 51021382), (790, 25510691), (2291, 8796790), (4582, 4398395), (11455, 1759358), (22910, 879679)]