20042360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38543}}^1$

素因数の和:38567

約数の個数: 32

約数和(自身を含む): 48565440

約数和(自身を除く): 28523080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38543, 77086, 154172, 192715, 308344, 385430, 501059, 770860, 1002118, 1541720, 2004236, 2505295, 4008472, 5010590, 10021180, 20042360]

約数ペア:

[(1, 20042360), (2, 10021180), (4, 5010590), (5, 4008472), (8, 2505295), (10, 2004236), (13, 1541720), (20, 1002118), (26, 770860), (40, 501059), (52, 385430), (65, 308344), (104, 192715), (130, 154172), (260, 77086), (520, 38543)]