20285655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4567

約数の個数: 32

約数和(自身を含む): 36481536

約数和(自身を除く): 16195881

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4523, 13569, 22615, 58799, 67845, 104029, 176397, 293995, 312087, 520145, 881985, 1352377, 1560435, 4057131, 6761885, 20285655]

約数ペア:

[(1, 20285655), (3, 6761885), (5, 4057131), (13, 1560435), (15, 1352377), (23, 881985), (39, 520145), (65, 312087), (69, 293995), (115, 176397), (195, 104029), (299, 67845), (345, 58799), (897, 22615), (1495, 13569), (4485, 4523)]