20158443

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10887957

約数列:

[1, 3, 9, 27, 43, 97, 129, 179, 291, 387, 537, 873, 1161, 1611, 2619, 4171, 4833, 7697, 12513, 17363, 23091, 37539, 52089, 69273, 112617, 156267, 207819, 468801, 746609, 2239827, 6719481, 20158443]

約数ペア:

[(1, 20158443), (3, 6719481), (9, 2239827), (27, 746609), (43, 468801), (97, 207819), (129, 156267), (179, 112617), (291, 69273), (387, 52089), (537, 37539), (873, 23091), (1161, 17363), (1611, 12513), (2619, 7697), (4171, 4833)]