20631230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 39011328

約数和(自身を除く): 18380098

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 271, 331, 542, 662, 1355, 1655, 2710, 3310, 6233, 7613, 12466, 15226, 31165, 38065, 62330, 76130, 89701, 179402, 448505, 897010, 2063123, 4126246, 10315615, 20631230]

約数ペア:

[(1, 20631230), (2, 10315615), (5, 4126246), (10, 2063123), (23, 897010), (46, 448505), (115, 179402), (230, 89701), (271, 76130), (331, 62330), (542, 38065), (662, 31165), (1355, 15226), (1655, 12466), (2710, 7613), (3310, 6233)]