20585097

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 33602184

約数和(自身を除く): 13017087

約数列:

[1, 3, 9, 13, 27, 39, 81, 113, 117, 173, 339, 351, 519, 1017, 1053, 1469, 1557, 2249, 3051, 4407, 4671, 6747, 9153, 13221, 14013, 19549, 20241, 39663, 58647, 60723, 118989, 175941, 182169, 254137, 527823, 762411, 1583469, 2287233, 6861699, 20585097]

約数ペア:

[(1, 20585097), (3, 6861699), (9, 2287233), (13, 1583469), (27, 762411), (39, 527823), (81, 254137), (113, 182169), (117, 175941), (173, 118989), (339, 60723), (351, 58647), (519, 39663), (1017, 20241), (1053, 19549), (1469, 14013), (1557, 13221), (2249, 9153), (3051, 6747), (4407, 4671)]