20223190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 39757536

約数和(自身を除く): 19534346

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2131, 4262, 4745, 9490, 10655, 21310, 27703, 55406, 138515, 155563, 277030, 311126, 777815, 1555630, 2022319, 4044638, 10111595, 20223190]

約数ペア:

[(1, 20223190), (2, 10111595), (5, 4044638), (10, 2022319), (13, 1555630), (26, 777815), (65, 311126), (73, 277030), (130, 155563), (146, 138515), (365, 55406), (730, 27703), (949, 21310), (1898, 10655), (2131, 9490), (4262, 4745)]