20145972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21803}}^1$

素因数の和:21828

約数の個数: 48

約数和(自身を含む): 58609152

約数和(自身を除く): 38463180

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21803, 43606, 65409, 87212, 130818, 152621, 239833, 261636, 305242, 457863, 479666, 610484, 719499, 915726, 959332, 1438998, 1678831, 1831452, 2877996, 3357662, 5036493, 6715324, 10072986, 20145972]

約数ペア:

[(1, 20145972), (2, 10072986), (3, 6715324), (4, 5036493), (6, 3357662), (7, 2877996), (11, 1831452), (12, 1678831), (14, 1438998), (21, 959332), (22, 915726), (28, 719499), (33, 610484), (42, 479666), (44, 457863), (66, 305242), (77, 261636), (84, 239833), (132, 152621), (154, 130818), (231, 87212), (308, 65409), (462, 43606), (924, 21803)]