20115870880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{619331}}^1$

素因数の和:619382

約数の個数: 96

約数和(自身を含む): 56185799040

約数和(自身を除く): 36069928160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 2030, 2320, 3248, 4060, 4640, 6496, 8120, 16240, 32480, 619331, 1238662, 2477324, 3096655, 4335317, 4954648, 6193310, 8670634, 9909296, 12386620, 17341268, 17960599, 19818592, 21676585, 24773240, 34682536, 35921198, 43353170, 49546480, 69365072, 71842396, 86706340, 89802995, 99092960, 125724193, 138730144, 143684792, 173412680, 179605990, 251448386, 287369584, 346825360, 359211980, 502896772, 574739168, 628620965, 693650720, 718423960, 1005793544, 1257241930, 1436847920, 2011587088, 2514483860, 2873695840, 4023174176, 5028967720, 10057935440, 20115870880]

約数ペア:

[(1, 20115870880), (2, 10057935440), (4, 5028967720), (5, 4023174176), (7, 2873695840), (8, 2514483860), (10, 2011587088), (14, 1436847920), (16, 1257241930), (20, 1005793544), (28, 718423960), (29, 693650720), (32, 628620965), (35, 574739168), (40, 502896772), (56, 359211980), (58, 346825360), (70, 287369584), (80, 251448386), (112, 179605990), (116, 173412680), (140, 143684792), (145, 138730144), (160, 125724193), (203, 99092960), (224, 89802995), (232, 86706340), (280, 71842396), (290, 69365072), (406, 49546480), (464, 43353170), (560, 35921198), (580, 34682536), (812, 24773240), (928, 21676585), (1015, 19818592), (1120, 17960599), (1160, 17341268), (1624, 12386620), (2030, 9909296), (2320, 8670634), (3248, 6193310), (4060, 4954648), (4640, 4335317), (6496, 3096655), (8120, 2477324), (16240, 1238662), (32480, 619331)]