20163076983

素因数分解:

$3^3\times 7^4\times {\mathrm{23}}^1\times {\mathrm{13523}}^1$

素因数の和:13583

約数の個数: 80

約数和(自身を含む): 36365495040

約数和(自身を除く): 16202418057

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 343, 441, 483, 621, 1029, 1127, 1323, 1449, 2401, 3087, 3381, 4347, 7203, 7889, 9261, 10143, 13523, 21609, 23667, 30429, 40569, 55223, 64827, 71001, 94661, 121707, 165669, 213003, 283983, 311029, 365121, 497007, 662627, 851949, 933087, 1491021, 1987881, 2177203, 2555847, 2799261, 4638389, 5963643, 6531609, 8397783, 13915167, 15240421, 17890929, 19594827, 32468723, 41745501, 45721263, 58784481, 97406169, 106682947, 125236503, 137163789, 292218507, 320048841, 411491367, 746780629, 876655521, 960146523, 2240341887, 2880439569, 6721025661, 20163076983]

約数ペア:

[(1, 20163076983), (3, 6721025661), (7, 2880439569), (9, 2240341887), (21, 960146523), (23, 876655521), (27, 746780629), (49, 411491367), (63, 320048841), (69, 292218507), (147, 137163789), (161, 125236503), (189, 106682947), (207, 97406169), (343, 58784481), (441, 45721263), (483, 41745501), (621, 32468723), (1029, 19594827), (1127, 17890929), (1323, 15240421), (1449, 13915167), (2401, 8397783), (3087, 6531609), (3381, 5963643), (4347, 4638389), (7203, 2799261), (7889, 2555847), (9261, 2177203), (10143, 1987881), (13523, 1491021), (21609, 933087), (23667, 851949), (30429, 662627), (40569, 497007), (55223, 365121), (64827, 311029), (71001, 283983), (94661, 213003), (121707, 165669)]