20522372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 20872828

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 62, 116, 124, 377, 403, 439, 754, 806, 878, 899, 1508, 1612, 1756, 1798, 3596, 5707, 11414, 11687, 12731, 13609, 22828, 23374, 25462, 27218, 46748, 50924, 54436, 165503, 176917, 331006, 353834, 394661, 662012, 707668, 789322, 1578644, 5130593, 10261186, 20522372]

約数ペア:

[(1, 20522372), (2, 10261186), (4, 5130593), (13, 1578644), (26, 789322), (29, 707668), (31, 662012), (52, 394661), (58, 353834), (62, 331006), (116, 176917), (124, 165503), (377, 54436), (403, 50924), (439, 46748), (754, 27218), (806, 25462), (878, 23374), (899, 22828), (1508, 13609), (1612, 12731), (1756, 11687), (1798, 11414), (3596, 5707)]