2020291208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{318457}}^1$

素因数の和:318537

約数の個数: 32

約数和(自身を含む): 4146323160

約数和(自身を除く): 2126031952

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 318457, 636914, 1273828, 2547656, 4139941, 8279882, 16559764, 19425877, 33119528, 38851754, 77703508, 155407016, 252536401, 505072802, 1010145604, 2020291208]

約数ペア:

[(1, 2020291208), (2, 1010145604), (4, 505072802), (8, 252536401), (13, 155407016), (26, 77703508), (52, 38851754), (61, 33119528), (104, 19425877), (122, 16559764), (244, 8279882), (488, 4139941), (793, 2547656), (1586, 1273828), (3172, 636914), (6344, 318457)]