20442765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10281

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 18909555

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10247, 30741, 51235, 71729, 153705, 194693, 215187, 358645, 584079, 973465, 1075935, 1362851, 2920395, 4088553, 6814255, 20442765]

約数ペア:

[(1, 20442765), (3, 6814255), (5, 4088553), (7, 2920395), (15, 1362851), (19, 1075935), (21, 973465), (35, 584079), (57, 358645), (95, 215187), (105, 194693), (133, 153705), (285, 71729), (399, 51235), (665, 30741), (1995, 10247)]