20607873

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 32629632

約数和(自身を除く): 12021759

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 397, 429, 1191, 1331, 1573, 3993, 4367, 4719, 5161, 13101, 15483, 17303, 48037, 51909, 56771, 144111, 170313, 528407, 624481, 1585221, 1873443, 6869291, 20607873]

約数ペア:

[(1, 20607873), (3, 6869291), (11, 1873443), (13, 1585221), (33, 624481), (39, 528407), (121, 170313), (143, 144111), (363, 56771), (397, 51909), (429, 48037), (1191, 17303), (1331, 15483), (1573, 13101), (3993, 5161), (4367, 4719)]