20426220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3067}}^1$

素因数の和:3119

約数の個数: 72

約数和(自身を含む): 63654864

約数和(自身を除く): 43228644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3067, 3330, 6134, 6660, 9201, 12268, 15335, 18402, 27603, 30670, 36804, 46005, 55206, 61340, 92010, 110412, 113479, 138015, 184020, 226958, 276030, 340437, 453916, 552060, 567395, 680874, 1021311, 1134790, 1361748, 1702185, 2042622, 2269580, 3404370, 4085244, 5106555, 6808740, 10213110, 20426220]

約数ペア:

[(1, 20426220), (2, 10213110), (3, 6808740), (4, 5106555), (5, 4085244), (6, 3404370), (9, 2269580), (10, 2042622), (12, 1702185), (15, 1361748), (18, 1134790), (20, 1021311), (30, 680874), (36, 567395), (37, 552060), (45, 453916), (60, 340437), (74, 276030), (90, 226958), (111, 184020), (148, 138015), (180, 113479), (185, 110412), (222, 92010), (333, 61340), (370, 55206), (444, 46005), (555, 36804), (666, 30670), (740, 27603), (1110, 18402), (1332, 15335), (1665, 12268), (2220, 9201), (3067, 6660), (3330, 6134)]