20540169

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 33084800

約数和(自身を除く): 12544631

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 417, 421, 1251, 1263, 1807, 3753, 3789, 5421, 5473, 11367, 16263, 16419, 48789, 49257, 58519, 147771, 175557, 526671, 760747, 1580013, 2282241, 6846723, 20540169]

約数ペア:

[(1, 20540169), (3, 6846723), (9, 2282241), (13, 1580013), (27, 760747), (39, 526671), (117, 175557), (139, 147771), (351, 58519), (417, 49257), (421, 48789), (1251, 16419), (1263, 16263), (1807, 11367), (3753, 5473), (3789, 5421)]