20228065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 30038400

約数和(自身を除く): 9810335

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1489, 2717, 7445, 13585, 16379, 19357, 28291, 81895, 96785, 141455, 212927, 311201, 367783, 1064635, 1556005, 1838915, 4045613, 20228065]

約数ペア:

[(1, 20228065), (5, 4045613), (11, 1838915), (13, 1556005), (19, 1064635), (55, 367783), (65, 311201), (95, 212927), (143, 141455), (209, 96785), (247, 81895), (715, 28291), (1045, 19357), (1235, 16379), (1489, 13585), (2717, 7445)]