20968464

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 59710464

約数和(自身を除く): 38742000

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 151, 176, 263, 264, 302, 453, 526, 528, 604, 789, 906, 1052, 1208, 1578, 1661, 1812, 2104, 2416, 2893, 3156, 3322, 3624, 4208, 4983, 5786, 6312, 6644, 7248, 8679, 9966, 11572, 12624, 13288, 17358, 19932, 23144, 26576, 34716, 39713, 39864, 46288, 69432, 79426, 79728, 119139, 138864, 158852, 238278, 317704, 436843, 476556, 635408, 873686, 953112, 1310529, 1747372, 1906224, 2621058, 3494744, 5242116, 6989488, 10484232, 20968464]

約数ペア:

[(1, 20968464), (2, 10484232), (3, 6989488), (4, 5242116), (6, 3494744), (8, 2621058), (11, 1906224), (12, 1747372), (16, 1310529), (22, 953112), (24, 873686), (33, 635408), (44, 476556), (48, 436843), (66, 317704), (88, 238278), (132, 158852), (151, 138864), (176, 119139), (263, 79728), (264, 79426), (302, 69432), (453, 46288), (526, 39864), (528, 39713), (604, 34716), (789, 26576), (906, 23144), (1052, 19932), (1208, 17358), (1578, 13288), (1661, 12624), (1812, 11572), (2104, 9966), (2416, 8679), (2893, 7248), (3156, 6644), (3322, 6312), (3624, 5786), (4208, 4983)]