20095635

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 39398400

約数和(自身を除く): 19302765

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1439, 1995, 2793, 4317, 4655, 7195, 10073, 13965, 21585, 27341, 30219, 50365, 70511, 82023, 136705, 151095, 191387, 211533, 352555, 410115, 574161, 956935, 1057665, 1339709, 2870805, 4019127, 6698545, 20095635]

約数ペア:

[(1, 20095635), (3, 6698545), (5, 4019127), (7, 2870805), (15, 1339709), (19, 1057665), (21, 956935), (35, 574161), (49, 410115), (57, 352555), (95, 211533), (105, 191387), (133, 151095), (147, 136705), (245, 82023), (285, 70511), (399, 50365), (665, 30219), (735, 27341), (931, 21585), (1439, 13965), (1995, 10073), (2793, 7195), (4317, 4655)]