20145346905

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2897}}^1\times {\mathrm{8747}}^1$

素因数の和:11705

約数の個数: 32

約数和(自身を含む): 32855808384

約数和(自身を除く): 12710461479

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 2897, 8691, 8747, 14485, 26241, 43455, 43735, 131205, 153541, 460623, 463591, 767705, 1390773, 2303115, 2317955, 6953865, 25340059, 76020177, 126700295, 380100885, 1343023127, 4029069381, 6715115635, 20145346905]

約数ペア:

[(1, 20145346905), (3, 6715115635), (5, 4029069381), (15, 1343023127), (53, 380100885), (159, 126700295), (265, 76020177), (795, 25340059), (2897, 6953865), (8691, 2317955), (8747, 2303115), (14485, 1390773), (26241, 767705), (43455, 463591), (43735, 460623), (131205, 153541)]