20512247320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1\times {\mathrm{29453}}^1$

素因数の和:30244

約数の個数: 64

約数和(自身を含む): 48224445120

約数和(自身を除く): 27712197800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 757, 920, 1514, 3028, 3785, 6056, 7570, 15140, 17411, 29453, 30280, 34822, 58906, 69644, 87055, 117812, 139288, 147265, 174110, 235624, 294530, 348220, 589060, 677419, 696440, 1178120, 1354838, 2709676, 3387095, 5419352, 6774190, 13548380, 22295921, 27096760, 44591842, 89183684, 111479605, 178367368, 222959210, 445918420, 512806183, 891836840, 1025612366, 2051224732, 2564030915, 4102449464, 5128061830, 10256123660, 20512247320]

約数ペア:

[(1, 20512247320), (2, 10256123660), (4, 5128061830), (5, 4102449464), (8, 2564030915), (10, 2051224732), (20, 1025612366), (23, 891836840), (40, 512806183), (46, 445918420), (92, 222959210), (115, 178367368), (184, 111479605), (230, 89183684), (460, 44591842), (757, 27096760), (920, 22295921), (1514, 13548380), (3028, 6774190), (3785, 5419352), (6056, 3387095), (7570, 2709676), (15140, 1354838), (17411, 1178120), (29453, 696440), (30280, 677419), (34822, 589060), (58906, 348220), (69644, 294530), (87055, 235624), (117812, 174110), (139288, 147265)]