20732640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 66769920

約数和(自身を除く): 46037280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 919, 940, 1128, 1410, 1504, 1838, 1880, 2256, 2757, 2820, 3676, 3760, 4512, 4595, 5514, 5640, 7352, 7520, 9190, 11028, 11280, 13785, 14704, 18380, 22056, 22560, 27570, 29408, 36760, 43193, 44112, 55140, 73520, 86386, 88224, 110280, 129579, 147040, 172772, 215965, 220560, 259158, 345544, 431930, 441120, 518316, 647895, 691088, 863860, 1036632, 1295790, 1382176, 1727720, 2073264, 2591580, 3455440, 4146528, 5183160, 6910880, 10366320, 20732640]

約数ペア:

[(1, 20732640), (2, 10366320), (3, 6910880), (4, 5183160), (5, 4146528), (6, 3455440), (8, 2591580), (10, 2073264), (12, 1727720), (15, 1382176), (16, 1295790), (20, 1036632), (24, 863860), (30, 691088), (32, 647895), (40, 518316), (47, 441120), (48, 431930), (60, 345544), (80, 259158), (94, 220560), (96, 215965), (120, 172772), (141, 147040), (160, 129579), (188, 110280), (235, 88224), (240, 86386), (282, 73520), (376, 55140), (470, 44112), (480, 43193), (564, 36760), (705, 29408), (752, 27570), (919, 22560), (940, 22056), (1128, 18380), (1410, 14704), (1504, 13785), (1838, 11280), (1880, 11028), (2256, 9190), (2757, 7520), (2820, 7352), (3676, 5640), (3760, 5514), (4512, 4595)]