20845734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 52114944

約数和(自身を除く): 31269210

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 523, 546, 949, 1022, 1046, 1533, 1569, 1898, 2847, 3066, 3138, 3661, 5694, 6643, 6799, 7322, 10983, 13286, 13598, 19929, 20397, 21966, 38179, 39858, 40794, 47593, 76358, 95186, 114537, 142779, 229074, 267253, 285558, 496327, 534506, 801759, 992654, 1488981, 1603518, 2977962, 3474289, 6948578, 10422867, 20845734]

約数ペア:

[(1, 20845734), (2, 10422867), (3, 6948578), (6, 3474289), (7, 2977962), (13, 1603518), (14, 1488981), (21, 992654), (26, 801759), (39, 534506), (42, 496327), (73, 285558), (78, 267253), (91, 229074), (146, 142779), (182, 114537), (219, 95186), (273, 76358), (438, 47593), (511, 40794), (523, 39858), (546, 38179), (949, 21966), (1022, 20397), (1046, 19929), (1533, 13598), (1569, 13286), (1898, 10983), (2847, 7322), (3066, 6799), (3138, 6643), (3661, 5694)]