20135960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38723}}^1$

素因数の和:38747

約数の個数: 32

約数和(自身を含む): 48792240

約数和(自身を除く): 28656280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38723, 77446, 154892, 193615, 309784, 387230, 503399, 774460, 1006798, 1548920, 2013596, 2516995, 4027192, 5033990, 10067980, 20135960]

約数ペア:

[(1, 20135960), (2, 10067980), (4, 5033990), (5, 4027192), (8, 2516995), (10, 2013596), (13, 1548920), (20, 1006798), (26, 774460), (40, 503399), (52, 387230), (65, 309784), (104, 193615), (130, 154892), (260, 77446), (520, 38723)]