20968044

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 51256800

約数和(自身を除く): 30288756

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 89, 116, 174, 178, 267, 348, 356, 534, 677, 1068, 1354, 2031, 2581, 2708, 4062, 5162, 7743, 8124, 10324, 15486, 19633, 30972, 39266, 58899, 60253, 78532, 117798, 120506, 180759, 235596, 241012, 361518, 723036, 1747337, 3494674, 5242011, 6989348, 10484022, 20968044]

約数ペア:

[(1, 20968044), (2, 10484022), (3, 6989348), (4, 5242011), (6, 3494674), (12, 1747337), (29, 723036), (58, 361518), (87, 241012), (89, 235596), (116, 180759), (174, 120506), (178, 117798), (267, 78532), (348, 60253), (356, 58899), (534, 39266), (677, 30972), (1068, 19633), (1354, 15486), (2031, 10324), (2581, 8124), (2708, 7743), (4062, 5162)]