20179860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3779}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36973740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3779, 5340, 7558, 11337, 15116, 18895, 22674, 37790, 45348, 56685, 75580, 113370, 226740, 336331, 672662, 1008993, 1345324, 1681655, 2017986, 3363310, 4035972, 5044965, 6726620, 10089930, 20179860]

約数ペア:

[(1, 20179860), (2, 10089930), (3, 6726620), (4, 5044965), (5, 4035972), (6, 3363310), (10, 2017986), (12, 1681655), (15, 1345324), (20, 1008993), (30, 672662), (60, 336331), (89, 226740), (178, 113370), (267, 75580), (356, 56685), (445, 45348), (534, 37790), (890, 22674), (1068, 18895), (1335, 15116), (1780, 11337), (2670, 7558), (3779, 5340)]