20390172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1367}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 52399872

約数和(自身を除く): 32009700

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 113, 132, 226, 339, 452, 678, 1243, 1356, 1367, 2486, 2734, 3729, 4101, 4972, 5468, 7458, 8202, 14916, 15037, 16404, 30074, 45111, 60148, 90222, 154471, 180444, 308942, 463413, 617884, 926826, 1699181, 1853652, 3398362, 5097543, 6796724, 10195086, 20390172]

約数ペア:

[(1, 20390172), (2, 10195086), (3, 6796724), (4, 5097543), (6, 3398362), (11, 1853652), (12, 1699181), (22, 926826), (33, 617884), (44, 463413), (66, 308942), (113, 180444), (132, 154471), (226, 90222), (339, 60148), (452, 45111), (678, 30074), (1243, 16404), (1356, 15037), (1367, 14916), (2486, 8202), (2734, 7458), (3729, 5468), (4101, 4972)]