20466615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1019}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 15176265

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1019, 1339, 1545, 3057, 4017, 5095, 6695, 13247, 15285, 20085, 39741, 66235, 104957, 198705, 314871, 524785, 1364441, 1574355, 4093323, 6822205, 20466615]

約数ペア:

[(1, 20466615), (3, 6822205), (5, 4093323), (13, 1574355), (15, 1364441), (39, 524785), (65, 314871), (103, 198705), (195, 104957), (309, 66235), (515, 39741), (1019, 20085), (1339, 15285), (1545, 13247), (3057, 6695), (4017, 5095)]