20647482

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21930438

約数列:

[1, 2, 3, 6, 43, 86, 129, 191, 258, 382, 419, 573, 838, 1146, 1257, 2514, 8213, 16426, 18017, 24639, 36034, 49278, 54051, 80029, 108102, 160058, 240087, 480174, 3441247, 6882494, 10323741, 20647482]

約数ペア:

[(1, 20647482), (2, 10323741), (3, 6882494), (6, 3441247), (43, 480174), (86, 240087), (129, 160058), (191, 108102), (258, 80029), (382, 54051), (419, 49278), (573, 36034), (838, 24639), (1146, 18017), (1257, 16426), (2514, 8213)]