20397546

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 48408360

約数和(自身を除く): 28010814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1429, 1586, 2379, 2858, 4287, 4758, 7137, 8574, 12861, 14274, 18577, 25722, 37154, 55731, 87169, 111462, 167193, 174338, 261507, 334386, 523014, 784521, 1133197, 1569042, 2266394, 3399591, 6799182, 10198773, 20397546]

約数ペア:

[(1, 20397546), (2, 10198773), (3, 6799182), (6, 3399591), (9, 2266394), (13, 1569042), (18, 1133197), (26, 784521), (39, 523014), (61, 334386), (78, 261507), (117, 174338), (122, 167193), (183, 111462), (234, 87169), (366, 55731), (549, 37154), (793, 25722), (1098, 18577), (1429, 14274), (1586, 12861), (2379, 8574), (2858, 7137), (4287, 4758)]