20020390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9059}}^1$

素因数の和:9096

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 21075770

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9059, 18118, 45295, 90590, 117767, 154003, 235534, 308006, 588835, 770015, 1177670, 1540030, 2002039, 4004078, 10010195, 20020390]

約数ペア:

[(1, 20020390), (2, 10010195), (5, 4004078), (10, 2002039), (13, 1540030), (17, 1177670), (26, 770015), (34, 588835), (65, 308006), (85, 235534), (130, 154003), (170, 117767), (221, 90590), (442, 45295), (1105, 18118), (2210, 9059)]