20092725

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 39590720

約数和(自身を除く): 19497995

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 103, 135, 153, 225, 255, 289, 309, 425, 459, 515, 675, 765, 867, 927, 1275, 1445, 1545, 1751, 2295, 2575, 2601, 2781, 3825, 4335, 4635, 5253, 7225, 7725, 7803, 8755, 11475, 13005, 13905, 15759, 21675, 23175, 26265, 29767, 39015, 43775, 47277, 65025, 69525, 78795, 89301, 131325, 148835, 195075, 236385, 267903, 393975, 446505, 744175, 803709, 1181925, 1339515, 2232525, 4018545, 6697575, 20092725]

約数ペア:

[(1, 20092725), (3, 6697575), (5, 4018545), (9, 2232525), (15, 1339515), (17, 1181925), (25, 803709), (27, 744175), (45, 446505), (51, 393975), (75, 267903), (85, 236385), (103, 195075), (135, 148835), (153, 131325), (225, 89301), (255, 78795), (289, 69525), (309, 65025), (425, 47277), (459, 43775), (515, 39015), (675, 29767), (765, 26265), (867, 23175), (927, 21675), (1275, 15759), (1445, 13905), (1545, 13005), (1751, 11475), (2295, 8755), (2575, 7803), (2601, 7725), (2781, 7225), (3825, 5253), (4335, 4635)]