20098360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6883}}^1$

素因数の和:6967

約数の個数: 32

約数和(自身を含む): 45847440

約数和(自身を除く): 25749080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6883, 13766, 27532, 34415, 55064, 68830, 137660, 275320, 502459, 1004918, 2009836, 2512295, 4019672, 5024590, 10049180, 20098360]

約数ペア:

[(1, 20098360), (2, 10049180), (4, 5024590), (5, 4019672), (8, 2512295), (10, 2009836), (20, 1004918), (40, 502459), (73, 275320), (146, 137660), (292, 68830), (365, 55064), (584, 34415), (730, 27532), (1460, 13766), (2920, 6883)]