20682675

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2389

約数の個数: 48

約数和(自身を含む): 40934880

約数和(自身を除く): 20252205

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2357, 2925, 7071, 8775, 11785, 21213, 30641, 35355, 58925, 63639, 91923, 106065, 153205, 176775, 275769, 318195, 459615, 530325, 766025, 827307, 1378845, 1590975, 2298075, 4136535, 6894225, 20682675]

約数ペア:

[(1, 20682675), (3, 6894225), (5, 4136535), (9, 2298075), (13, 1590975), (15, 1378845), (25, 827307), (27, 766025), (39, 530325), (45, 459615), (65, 318195), (75, 275769), (117, 176775), (135, 153205), (195, 106065), (225, 91923), (325, 63639), (351, 58925), (585, 35355), (675, 30641), (975, 21213), (1755, 11785), (2357, 8775), (2925, 7071)]