20164697860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1433

約数の個数: 96

約数和(自身を含む): 43868160000

約数和(自身を除く): 23703462140

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 199, 236, 295, 316, 395, 398, 590, 790, 796, 995, 1087, 1180, 1580, 1990, 2174, 3980, 4348, 4661, 5435, 9322, 10870, 11741, 15721, 18644, 21740, 23305, 23482, 31442, 46610, 46964, 58705, 62884, 64133, 78605, 85873, 93220, 117410, 128266, 157210, 171746, 216313, 234820, 256532, 314420, 320665, 343492, 429365, 432626, 641330, 858730, 865252, 927539, 1081565, 1282660, 1717460, 1855078, 2163130, 3710156, 4326260, 4637695, 5066507, 9275390, 10133014, 12762467, 17088727, 18550780, 20266028, 25332535, 25524934, 34177454, 50665070, 51049868, 63812335, 68354908, 85443635, 101330140, 127624670, 170887270, 255249340, 341774540, 1008234893, 2016469786, 4032939572, 5041174465, 10082348930, 20164697860]

約数ペア:

[(1, 20164697860), (2, 10082348930), (4, 5041174465), (5, 4032939572), (10, 2016469786), (20, 1008234893), (59, 341774540), (79, 255249340), (118, 170887270), (158, 127624670), (199, 101330140), (236, 85443635), (295, 68354908), (316, 63812335), (395, 51049868), (398, 50665070), (590, 34177454), (790, 25524934), (796, 25332535), (995, 20266028), (1087, 18550780), (1180, 17088727), (1580, 12762467), (1990, 10133014), (2174, 9275390), (3980, 5066507), (4348, 4637695), (4661, 4326260), (5435, 3710156), (9322, 2163130), (10870, 1855078), (11741, 1717460), (15721, 1282660), (18644, 1081565), (21740, 927539), (23305, 865252), (23482, 858730), (31442, 641330), (46610, 432626), (46964, 429365), (58705, 343492), (62884, 320665), (64133, 314420), (78605, 256532), (85873, 234820), (93220, 216313), (117410, 171746), (128266, 157210)]