20804916420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1426949}}^1$

素因数の和:1426976

約数の個数: 84

約数和(自身を含む): 65505566700

約数和(自身を除く): 44700650280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 1426949, 2853898, 4280847, 5707796, 7134745, 8561694, 12842541, 14269490, 17123388, 21404235, 25685082, 28538980, 38527623, 42808470, 51370164, 64212705, 77055246, 85616940, 115582869, 128425410, 154110492, 192638115, 231165738, 256850820, 346748607, 385276230, 462331476, 577914345, 693497214, 770552460, 1040245821, 1155828690, 1386994428, 1733743035, 2080491642, 2311657380, 3467486070, 4160983284, 5201229105, 6934972140, 10402458210, 20804916420]

約数ペア:

[(1, 20804916420), (2, 10402458210), (3, 6934972140), (4, 5201229105), (5, 4160983284), (6, 3467486070), (9, 2311657380), (10, 2080491642), (12, 1733743035), (15, 1386994428), (18, 1155828690), (20, 1040245821), (27, 770552460), (30, 693497214), (36, 577914345), (45, 462331476), (54, 385276230), (60, 346748607), (81, 256850820), (90, 231165738), (108, 192638115), (135, 154110492), (162, 128425410), (180, 115582869), (243, 85616940), (270, 77055246), (324, 64212705), (405, 51370164), (486, 42808470), (540, 38527623), (729, 28538980), (810, 25685082), (972, 21404235), (1215, 17123388), (1458, 14269490), (1620, 12842541), (2430, 8561694), (2916, 7134745), (3645, 5707796), (4860, 4280847), (7290, 2853898), (14580, 1426949)]