20105385245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{39877}}^1$

素因数の和:40085

約数の個数: 32

約数和(自身を含む): 26874581760

約数和(自身を除く): 6769196515

約数列:

[1, 5, 11, 55, 89, 103, 445, 515, 979, 1133, 4895, 5665, 9167, 39877, 45835, 100837, 199385, 438647, 504185, 2193235, 3549053, 4107331, 17745265, 20536655, 39039583, 45180641, 195197915, 225903205, 365552459, 1827762295, 4021077049, 20105385245]

約数ペア:

[(1, 20105385245), (5, 4021077049), (11, 1827762295), (55, 365552459), (89, 225903205), (103, 195197915), (445, 45180641), (515, 39039583), (979, 20536655), (1133, 17745265), (4895, 4107331), (5665, 3549053), (9167, 2193235), (39877, 504185), (45835, 438647), (100837, 199385)]