20847112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18223}}^1$

素因数の和:18253

約数の個数: 32

約数和(自身を含む): 45924480

約数和(自身を除く): 25077368

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18223, 36446, 72892, 145784, 200453, 236899, 400906, 473798, 801812, 947596, 1603624, 1895192, 2605889, 5211778, 10423556, 20847112]

約数ペア:

[(1, 20847112), (2, 10423556), (4, 5211778), (8, 2605889), (11, 1895192), (13, 1603624), (22, 947596), (26, 801812), (44, 473798), (52, 400906), (88, 236899), (104, 200453), (143, 145784), (286, 72892), (572, 36446), (1144, 18223)]