20009394

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 26771886

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1427, 1558, 2337, 2854, 4281, 4674, 7011, 8562, 12843, 14022, 25686, 27113, 54226, 58507, 81339, 117014, 162678, 175521, 244017, 351042, 488034, 526563, 1053126, 1111633, 2223266, 3334899, 6669798, 10004697, 20009394]

約数ペア:

[(1, 20009394), (2, 10004697), (3, 6669798), (6, 3334899), (9, 2223266), (18, 1111633), (19, 1053126), (38, 526563), (41, 488034), (57, 351042), (82, 244017), (114, 175521), (123, 162678), (171, 117014), (246, 81339), (342, 58507), (369, 54226), (738, 27113), (779, 25686), (1427, 14022), (1558, 12843), (2337, 8562), (2854, 7011), (4281, 4674)]