20154687105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27421343}}^1$

素因数の和:27421365

約数の個数: 24

約数和(自身を含む): 37512398592

約数和(自身を除く): 17357711487

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27421343, 82264029, 137106715, 191949401, 411320145, 575848203, 959747005, 1343645807, 2879241015, 4030937421, 6718229035, 20154687105]

約数ペア:

[(1, 20154687105), (3, 6718229035), (5, 4030937421), (7, 2879241015), (15, 1343645807), (21, 959747005), (35, 575848203), (49, 411320145), (105, 191949401), (147, 137106715), (245, 82264029), (735, 27421343)]