20218043740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{2347}}^1$

素因数の和:2747

約数の個数: 96

約数和(自身を含む): 45196107264

約数和(自身を除く): 24978063524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 307, 460, 610, 614, 1220, 1228, 1403, 1535, 2347, 2806, 3070, 4694, 5612, 6140, 7015, 7061, 9388, 11735, 14030, 14122, 18727, 23470, 28060, 28244, 35305, 37454, 46940, 53981, 70610, 74908, 93635, 107962, 141220, 143167, 187270, 215924, 269905, 286334, 374540, 430721, 539810, 572668, 715835, 720529, 861442, 1079620, 1431670, 1441058, 1722884, 2153605, 2863340, 2882116, 3292841, 3602645, 4307210, 6585682, 7205290, 8614420, 13171364, 14410580, 16464205, 16572167, 32928410, 33144334, 43952269, 65856820, 66288668, 82860835, 87904538, 165721670, 175809076, 219761345, 331443340, 439522690, 879045380, 1010902187, 2021804374, 4043608748, 5054510935, 10109021870, 20218043740]

約数ペア:

[(1, 20218043740), (2, 10109021870), (4, 5054510935), (5, 4043608748), (10, 2021804374), (20, 1010902187), (23, 879045380), (46, 439522690), (61, 331443340), (92, 219761345), (115, 175809076), (122, 165721670), (230, 87904538), (244, 82860835), (305, 66288668), (307, 65856820), (460, 43952269), (610, 33144334), (614, 32928410), (1220, 16572167), (1228, 16464205), (1403, 14410580), (1535, 13171364), (2347, 8614420), (2806, 7205290), (3070, 6585682), (4694, 4307210), (5612, 3602645), (6140, 3292841), (7015, 2882116), (7061, 2863340), (9388, 2153605), (11735, 1722884), (14030, 1441058), (14122, 1431670), (18727, 1079620), (23470, 861442), (28060, 720529), (28244, 715835), (35305, 572668), (37454, 539810), (46940, 430721), (53981, 374540), (70610, 286334), (74908, 269905), (93635, 215924), (107962, 187270), (141220, 143167)]