20300784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:1998

約数の個数: 80

約数和(自身を含む): 61900800

約数和(自身を除く): 41600016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 1949, 2604, 3472, 3898, 5208, 5847, 7796, 10416, 11694, 13643, 15592, 23388, 27286, 31184, 40929, 46776, 54572, 60419, 81858, 93552, 109144, 120838, 163716, 181257, 218288, 241676, 327432, 362514, 422933, 483352, 654864, 725028, 845866, 966704, 1268799, 1450056, 1691732, 2537598, 2900112, 3383464, 5075196, 6766928, 10150392, 20300784]

約数ペア:

[(1, 20300784), (2, 10150392), (3, 6766928), (4, 5075196), (6, 3383464), (7, 2900112), (8, 2537598), (12, 1691732), (14, 1450056), (16, 1268799), (21, 966704), (24, 845866), (28, 725028), (31, 654864), (42, 483352), (48, 422933), (56, 362514), (62, 327432), (84, 241676), (93, 218288), (112, 181257), (124, 163716), (168, 120838), (186, 109144), (217, 93552), (248, 81858), (336, 60419), (372, 54572), (434, 46776), (496, 40929), (651, 31184), (744, 27286), (868, 23388), (1302, 15592), (1488, 13643), (1736, 11694), (1949, 10416), (2604, 7796), (3472, 5847), (3898, 5208)]