20212860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 60060672

約数和(自身を除く): 39847812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 97, 115, 138, 151, 194, 230, 276, 291, 302, 345, 388, 453, 460, 485, 582, 604, 690, 755, 906, 970, 1164, 1380, 1455, 1510, 1812, 1940, 2231, 2265, 2910, 3020, 3473, 4462, 4530, 5820, 6693, 6946, 8924, 9060, 10419, 11155, 13386, 13892, 14647, 17365, 20838, 22310, 26772, 29294, 33465, 34730, 41676, 43941, 44620, 52095, 58588, 66930, 69460, 73235, 87882, 104190, 133860, 146470, 175764, 208380, 219705, 292940, 336881, 439410, 673762, 878820, 1010643, 1347524, 1684405, 2021286, 3368810, 4042572, 5053215, 6737620, 10106430, 20212860]

約数ペア:

[(1, 20212860), (2, 10106430), (3, 6737620), (4, 5053215), (5, 4042572), (6, 3368810), (10, 2021286), (12, 1684405), (15, 1347524), (20, 1010643), (23, 878820), (30, 673762), (46, 439410), (60, 336881), (69, 292940), (92, 219705), (97, 208380), (115, 175764), (138, 146470), (151, 133860), (194, 104190), (230, 87882), (276, 73235), (291, 69460), (302, 66930), (345, 58588), (388, 52095), (453, 44620), (460, 43941), (485, 41676), (582, 34730), (604, 33465), (690, 29294), (755, 26772), (906, 22310), (970, 20838), (1164, 17365), (1380, 14647), (1455, 13892), (1510, 13386), (1812, 11155), (1940, 10419), (2231, 9060), (2265, 8924), (2910, 6946), (3020, 6693), (3473, 5820), (4462, 4530)]