20018280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7253}}^1$

素因数の和:7290

約数の個数: 64

約数和(自身を含む): 62674560

約数和(自身を除く): 42656280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7253, 14506, 21759, 29012, 36265, 43518, 58024, 72530, 87036, 108795, 145060, 166819, 174072, 217590, 290120, 333638, 435180, 500457, 667276, 834095, 870360, 1000914, 1334552, 1668190, 2001828, 2502285, 3336380, 4003656, 5004570, 6672760, 10009140, 20018280]

約数ペア:

[(1, 20018280), (2, 10009140), (3, 6672760), (4, 5004570), (5, 4003656), (6, 3336380), (8, 2502285), (10, 2001828), (12, 1668190), (15, 1334552), (20, 1000914), (23, 870360), (24, 834095), (30, 667276), (40, 500457), (46, 435180), (60, 333638), (69, 290120), (92, 217590), (115, 174072), (120, 166819), (138, 145060), (184, 108795), (230, 87036), (276, 72530), (345, 58024), (460, 43518), (552, 36265), (690, 29012), (920, 21759), (1380, 14506), (2760, 7253)]