20112378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 47637408

約数和(自身を除く): 27525030

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2131, 3146, 4262, 4719, 6393, 9438, 12786, 23441, 27703, 46882, 55406, 70323, 83109, 140646, 166218, 257851, 304733, 515702, 609466, 773553, 914199, 1547106, 1828398, 3352063, 6704126, 10056189, 20112378]

約数ペア:

[(1, 20112378), (2, 10056189), (3, 6704126), (6, 3352063), (11, 1828398), (13, 1547106), (22, 914199), (26, 773553), (33, 609466), (39, 515702), (66, 304733), (78, 257851), (121, 166218), (143, 140646), (242, 83109), (286, 70323), (363, 55406), (429, 46882), (726, 27703), (858, 23441), (1573, 12786), (2131, 9438), (3146, 6393), (4262, 4719)]