20502064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6131}}^1$

素因数の和:6169

約数の個数: 40

約数和(自身を含む): 45622080

約数和(自身を除く): 25120016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6131, 12262, 24524, 49048, 67441, 98096, 116489, 134882, 232978, 269764, 465956, 539528, 931912, 1079056, 1281379, 1863824, 2562758, 5125516, 10251032, 20502064]

約数ペア:

[(1, 20502064), (2, 10251032), (4, 5125516), (8, 2562758), (11, 1863824), (16, 1281379), (19, 1079056), (22, 931912), (38, 539528), (44, 465956), (76, 269764), (88, 232978), (152, 134882), (176, 116489), (209, 98096), (304, 67441), (418, 49048), (836, 24524), (1672, 12262), (3344, 6131)]