20358660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48473}}^1$

素因数の和:48492

約数の個数: 48

約数和(自身を含む): 65149056

約数和(自身を除く): 44790396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48473, 96946, 145419, 193892, 242365, 290838, 339311, 484730, 581676, 678622, 727095, 969460, 1017933, 1357244, 1454190, 1696555, 2035866, 2908380, 3393110, 4071732, 5089665, 6786220, 10179330, 20358660]

約数ペア:

[(1, 20358660), (2, 10179330), (3, 6786220), (4, 5089665), (5, 4071732), (6, 3393110), (7, 2908380), (10, 2035866), (12, 1696555), (14, 1454190), (15, 1357244), (20, 1017933), (21, 969460), (28, 727095), (30, 678622), (35, 581676), (42, 484730), (60, 339311), (70, 290838), (84, 242365), (105, 193892), (140, 145419), (210, 96946), (420, 48473)]