20311810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 17572862

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 463, 535, 926, 1070, 2315, 4387, 4630, 8774, 18983, 21935, 37966, 43870, 49541, 94915, 99082, 189830, 247705, 495410, 2031181, 4062362, 10155905, 20311810]

約数ペア:

[(1, 20311810), (2, 10155905), (5, 4062362), (10, 2031181), (41, 495410), (82, 247705), (107, 189830), (205, 99082), (214, 94915), (410, 49541), (463, 43870), (535, 37966), (926, 21935), (1070, 18983), (2315, 8774), (4387, 4630)]