20965431045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2003}}^1\times {\mathrm{4129}}^1$

素因数の和:6166

約数の個数: 48

約数和(自身を含む): 36350475840

約数和(自身を除く): 15385044795

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2003, 2535, 4129, 6009, 10015, 12387, 20645, 26039, 30045, 53677, 61935, 78117, 130195, 161031, 268385, 338507, 390585, 697801, 805155, 1015521, 1692535, 2093403, 3489005, 5077605, 8270387, 10467015, 24811161, 41351935, 107515031, 124055805, 322545093, 537575155, 1397695403, 1612725465, 4193086209, 6988477015, 20965431045]

約数ペア:

[(1, 20965431045), (3, 6988477015), (5, 4193086209), (13, 1612725465), (15, 1397695403), (39, 537575155), (65, 322545093), (169, 124055805), (195, 107515031), (507, 41351935), (845, 24811161), (2003, 10467015), (2535, 8270387), (4129, 5077605), (6009, 3489005), (10015, 2093403), (12387, 1692535), (20645, 1015521), (26039, 805155), (30045, 697801), (53677, 390585), (61935, 338507), (78117, 268385), (130195, 161031)]