20621610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7901}}^1$

素因数の和:7943

約数の個数: 48

約数和(自身を含む): 55472040

約数和(自身を除く): 34850430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7901, 15802, 23703, 39505, 47406, 71109, 79010, 118515, 142218, 229129, 237030, 355545, 458258, 687387, 711090, 1145645, 1374774, 2062161, 2291290, 3436935, 4124322, 6873870, 10310805, 20621610]

約数ペア:

[(1, 20621610), (2, 10310805), (3, 6873870), (5, 4124322), (6, 3436935), (9, 2291290), (10, 2062161), (15, 1374774), (18, 1145645), (29, 711090), (30, 687387), (45, 458258), (58, 355545), (87, 237030), (90, 229129), (145, 142218), (174, 118515), (261, 79010), (290, 71109), (435, 47406), (522, 39505), (870, 23703), (1305, 15802), (2610, 7901)]