20120412075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2749}}^1\times {\mathrm{4243}}^1$

素因数の和:7028

約数の個数: 48

約数和(自身を含む): 34732896000

約数和(自身を除く): 14612483925

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 2749, 4243, 8247, 12729, 13745, 21215, 41235, 63227, 63645, 68725, 97589, 106075, 189681, 206175, 292767, 316135, 318225, 487945, 948405, 1463835, 1580675, 2439725, 4742025, 7319175, 11664007, 34992021, 58320035, 174960105, 268272161, 291600175, 804816483, 874800525, 1341360805, 4024082415, 6706804025, 20120412075]

約数ペア:

[(1, 20120412075), (3, 6706804025), (5, 4024082415), (15, 1341360805), (23, 874800525), (25, 804816483), (69, 291600175), (75, 268272161), (115, 174960105), (345, 58320035), (575, 34992021), (1725, 11664007), (2749, 7319175), (4243, 4742025), (8247, 2439725), (12729, 1580675), (13745, 1463835), (21215, 948405), (41235, 487945), (63227, 318225), (63645, 316135), (68725, 292767), (97589, 206175), (106075, 189681)]