20744298

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 26767062

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 534, 563, 801, 1126, 1602, 1689, 2047, 3378, 4094, 5067, 6141, 10134, 12282, 12949, 18423, 25898, 36846, 38847, 50107, 77694, 100214, 116541, 150321, 233082, 300642, 450963, 901926, 1152461, 2304922, 3457383, 6914766, 10372149, 20744298]

約数ペア:

[(1, 20744298), (2, 10372149), (3, 6914766), (6, 3457383), (9, 2304922), (18, 1152461), (23, 901926), (46, 450963), (69, 300642), (89, 233082), (138, 150321), (178, 116541), (207, 100214), (267, 77694), (414, 50107), (534, 38847), (563, 36846), (801, 25898), (1126, 18423), (1602, 12949), (1689, 12282), (2047, 10134), (3378, 6141), (4094, 5067)]