20097799245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{123341}}^1$

素因数の和:123443

約数の個数: 64

約数和(自身を含む): 38364295680

約数和(自身を除く): 18266496435

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 85, 135, 153, 213, 255, 355, 459, 639, 765, 1065, 1207, 1917, 2295, 3195, 3621, 6035, 9585, 10863, 18105, 32589, 54315, 123341, 162945, 370023, 616705, 1110069, 1850115, 2096797, 3330207, 5550345, 6290391, 8757211, 10483985, 16651035, 18871173, 26271633, 31451955, 43786055, 56613519, 78814899, 94355865, 131358165, 148872587, 236444697, 283067595, 394074495, 446617761, 744362935, 1182223485, 1339853283, 2233088805, 4019559849, 6699266415, 20097799245]

約数ペア:

[(1, 20097799245), (3, 6699266415), (5, 4019559849), (9, 2233088805), (15, 1339853283), (17, 1182223485), (27, 744362935), (45, 446617761), (51, 394074495), (71, 283067595), (85, 236444697), (135, 148872587), (153, 131358165), (213, 94355865), (255, 78814899), (355, 56613519), (459, 43786055), (639, 31451955), (765, 26271633), (1065, 18871173), (1207, 16651035), (1917, 10483985), (2295, 8757211), (3195, 6290391), (3621, 5550345), (6035, 3330207), (9585, 2096797), (10863, 1850115), (18105, 1110069), (32589, 616705), (54315, 370023), (123341, 162945)]