20143769840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{401}}^1\times {\mathrm{1187}}^1$

素因数の和:1647

約数の個数: 120

約数和(自身を含む): 49122512208

約数和(自身を除く): 28978742368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 401, 460, 529, 802, 920, 1058, 1187, 1604, 1840, 2005, 2116, 2374, 2645, 3208, 4010, 4232, 4748, 5290, 5935, 6416, 8020, 8464, 9223, 9496, 10580, 11870, 16040, 18446, 18992, 21160, 23740, 27301, 32080, 36892, 42320, 46115, 47480, 54602, 73784, 92230, 94960, 109204, 136505, 147568, 184460, 212129, 218408, 273010, 368920, 424258, 436816, 475987, 546020, 627923, 737840, 848516, 951974, 1060645, 1092040, 1255846, 1697032, 1903948, 2121290, 2184080, 2379935, 2511692, 3139615, 3394064, 3807896, 4242580, 4759870, 5023384, 6279230, 7615792, 8485160, 9519740, 10046768, 10947701, 12558460, 16970320, 19039480, 21895402, 25116920, 38078960, 43790804, 50233840, 54738505, 87581608, 109477010, 175163216, 218954020, 251797123, 437908040, 503594246, 875816080, 1007188492, 1258985615, 2014376984, 2517971230, 4028753968, 5035942460, 10071884920, 20143769840]

約数ペア:

[(1, 20143769840), (2, 10071884920), (4, 5035942460), (5, 4028753968), (8, 2517971230), (10, 2014376984), (16, 1258985615), (20, 1007188492), (23, 875816080), (40, 503594246), (46, 437908040), (80, 251797123), (92, 218954020), (115, 175163216), (184, 109477010), (230, 87581608), (368, 54738505), (401, 50233840), (460, 43790804), (529, 38078960), (802, 25116920), (920, 21895402), (1058, 19039480), (1187, 16970320), (1604, 12558460), (1840, 10947701), (2005, 10046768), (2116, 9519740), (2374, 8485160), (2645, 7615792), (3208, 6279230), (4010, 5023384), (4232, 4759870), (4748, 4242580), (5290, 3807896), (5935, 3394064), (6416, 3139615), (8020, 2511692), (8464, 2379935), (9223, 2184080), (9496, 2121290), (10580, 1903948), (11870, 1697032), (16040, 1255846), (18446, 1092040), (18992, 1060645), (21160, 951974), (23740, 848516), (27301, 737840), (32080, 627923), (36892, 546020), (42320, 475987), (46115, 436816), (47480, 424258), (54602, 368920), (73784, 273010), (92230, 218408), (94960, 212129), (109204, 184460), (136505, 147568)]