20190540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 40289460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 199, 228, 267, 285, 356, 380, 398, 445, 534, 570, 597, 796, 890, 995, 1068, 1140, 1194, 1335, 1691, 1780, 1990, 2388, 2670, 2985, 3382, 3781, 3980, 5073, 5340, 5970, 6764, 7562, 8455, 10146, 11343, 11940, 15124, 16910, 17711, 18905, 20292, 22686, 25365, 33820, 35422, 37810, 45372, 50730, 53133, 56715, 70844, 75620, 88555, 101460, 106266, 113430, 177110, 212532, 226860, 265665, 336509, 354220, 531330, 673018, 1009527, 1062660, 1346036, 1682545, 2019054, 3365090, 4038108, 5047635, 6730180, 10095270, 20190540]

約数ペア:

[(1, 20190540), (2, 10095270), (3, 6730180), (4, 5047635), (5, 4038108), (6, 3365090), (10, 2019054), (12, 1682545), (15, 1346036), (19, 1062660), (20, 1009527), (30, 673018), (38, 531330), (57, 354220), (60, 336509), (76, 265665), (89, 226860), (95, 212532), (114, 177110), (178, 113430), (190, 106266), (199, 101460), (228, 88555), (267, 75620), (285, 70844), (356, 56715), (380, 53133), (398, 50730), (445, 45372), (534, 37810), (570, 35422), (597, 33820), (796, 25365), (890, 22686), (995, 20292), (1068, 18905), (1140, 17711), (1194, 16910), (1335, 15124), (1691, 11940), (1780, 11343), (1990, 10146), (2388, 8455), (2670, 7562), (2985, 6764), (3382, 5970), (3781, 5340), (3980, 5073)]