20849868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 59950800

約数和(自身を除く): 39100932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 149, 156, 169, 207, 234, 276, 298, 299, 338, 414, 447, 468, 507, 596, 598, 676, 828, 894, 897, 1014, 1196, 1341, 1521, 1788, 1794, 1937, 2028, 2682, 2691, 3042, 3427, 3588, 3874, 3887, 5364, 5382, 5811, 6084, 6854, 7748, 7774, 10281, 10764, 11622, 11661, 13708, 15548, 17433, 20562, 23244, 23322, 25181, 30843, 34866, 34983, 41124, 44551, 46644, 50362, 61686, 69732, 69966, 75543, 89102, 100724, 123372, 133653, 139932, 151086, 178204, 226629, 267306, 302172, 400959, 453258, 534612, 579163, 801918, 906516, 1158326, 1603836, 1737489, 2316652, 3474978, 5212467, 6949956, 10424934, 20849868]

約数ペア:

[(1, 20849868), (2, 10424934), (3, 6949956), (4, 5212467), (6, 3474978), (9, 2316652), (12, 1737489), (13, 1603836), (18, 1158326), (23, 906516), (26, 801918), (36, 579163), (39, 534612), (46, 453258), (52, 400959), (69, 302172), (78, 267306), (92, 226629), (117, 178204), (138, 151086), (149, 139932), (156, 133653), (169, 123372), (207, 100724), (234, 89102), (276, 75543), (298, 69966), (299, 69732), (338, 61686), (414, 50362), (447, 46644), (468, 44551), (507, 41124), (596, 34983), (598, 34866), (676, 30843), (828, 25181), (894, 23322), (897, 23244), (1014, 20562), (1196, 17433), (1341, 15548), (1521, 13708), (1788, 11661), (1794, 11622), (1937, 10764), (2028, 10281), (2682, 7774), (2691, 7748), (3042, 6854), (3427, 6084), (3588, 5811), (3874, 5382), (3887, 5364)]