20176906256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{708061}}^1$

素因数の和:708219

約数の個数: 40

約数和(自身を含む): 42407249304

約数和(自身を除く): 22230343048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 3562, 7124, 14248, 28496, 708061, 1416122, 2832244, 5664488, 9204793, 11328976, 18409586, 36819172, 73638344, 97004357, 147276688, 194008714, 388017428, 776034856, 1261056641, 1552069712, 2522113282, 5044226564, 10088453128, 20176906256]

約数ペア:

[(1, 20176906256), (2, 10088453128), (4, 5044226564), (8, 2522113282), (13, 1552069712), (16, 1261056641), (26, 776034856), (52, 388017428), (104, 194008714), (137, 147276688), (208, 97004357), (274, 73638344), (548, 36819172), (1096, 18409586), (1781, 11328976), (2192, 9204793), (3562, 5664488), (7124, 2832244), (14248, 1416122), (28496, 708061)]