20631130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1051}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 40295808

約数和(自身を除く): 19664678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1051, 1510, 1963, 2102, 3926, 5255, 9815, 10510, 13663, 19630, 27326, 68315, 136630, 158701, 317402, 793505, 1587010, 2063113, 4126226, 10315565, 20631130]

約数ペア:

[(1, 20631130), (2, 10315565), (5, 4126226), (10, 2063113), (13, 1587010), (26, 793505), (65, 317402), (130, 158701), (151, 136630), (302, 68315), (755, 27326), (1051, 19630), (1510, 13663), (1963, 10510), (2102, 9815), (3926, 5255)]