20676201

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1429}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13918359

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1429, 2067, 4287, 4823, 10003, 14469, 18577, 30009, 55731, 75737, 130039, 227211, 390117, 530159, 984581, 1590477, 2953743, 6892067, 20676201]

約数ペア:

[(1, 20676201), (3, 6892067), (7, 2953743), (13, 1590477), (21, 984581), (39, 530159), (53, 390117), (91, 227211), (159, 130039), (273, 75737), (371, 55731), (689, 30009), (1113, 18577), (1429, 14469), (2067, 10003), (4287, 4823)]