20896910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 19437202

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1481, 2822, 2962, 7055, 7405, 14110, 14810, 25177, 50354, 122923, 125885, 245846, 251770, 614615, 1229230, 2089691, 4179382, 10448455, 20896910]

約数ペア:

[(1, 20896910), (2, 10448455), (5, 4179382), (10, 2089691), (17, 1229230), (34, 614615), (83, 251770), (85, 245846), (166, 125885), (170, 122923), (415, 50354), (830, 25177), (1411, 14810), (1481, 14110), (2822, 7405), (2962, 7055)]