20913654

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 43453440

約数和(自身を除く): 22539786

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 229, 458, 491, 687, 982, 1374, 1473, 2946, 7099, 14198, 15221, 21297, 30442, 42594, 45663, 91326, 112439, 224878, 337317, 674634, 3485609, 6971218, 10456827, 20913654]

約数ペア:

[(1, 20913654), (2, 10456827), (3, 6971218), (6, 3485609), (31, 674634), (62, 337317), (93, 224878), (186, 112439), (229, 91326), (458, 45663), (491, 42594), (687, 30442), (982, 21297), (1374, 15221), (1473, 14198), (2946, 7099)]