20294625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 38158848

約数和(自身を除く): 17864223

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 125, 181, 195, 299, 325, 345, 375, 543, 575, 897, 905, 975, 1495, 1625, 1725, 2353, 2715, 2875, 4163, 4485, 4525, 4875, 7059, 7475, 8625, 11765, 12489, 13575, 20815, 22425, 22625, 35295, 37375, 54119, 58825, 62445, 67875, 104075, 112125, 162357, 176475, 270595, 294125, 312225, 520375, 811785, 882375, 1352975, 1561125, 4058925, 6764875, 20294625]

約数ペア:

[(1, 20294625), (3, 6764875), (5, 4058925), (13, 1561125), (15, 1352975), (23, 882375), (25, 811785), (39, 520375), (65, 312225), (69, 294125), (75, 270595), (115, 176475), (125, 162357), (181, 112125), (195, 104075), (299, 67875), (325, 62445), (345, 58825), (375, 54119), (543, 37375), (575, 35295), (897, 22625), (905, 22425), (975, 20815), (1495, 13575), (1625, 12489), (1725, 11765), (2353, 8625), (2715, 7475), (2875, 7059), (4163, 4875), (4485, 4525)]