20465025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 40961664

約数和(自身を除く): 20496639

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2293, 2975, 6879, 8925, 11465, 16051, 34395, 38981, 48153, 57325, 80255, 116943, 171975, 194905, 240765, 272867, 401275, 584715, 818601, 974525, 1203825, 1364335, 2923575, 4093005, 6821675, 20465025]

約数ペア:

[(1, 20465025), (3, 6821675), (5, 4093005), (7, 2923575), (15, 1364335), (17, 1203825), (21, 974525), (25, 818601), (35, 584715), (51, 401275), (75, 272867), (85, 240765), (105, 194905), (119, 171975), (175, 116943), (255, 80255), (357, 57325), (425, 48153), (525, 38981), (595, 34395), (1275, 16051), (1785, 11465), (2293, 8925), (2975, 6879)]