20513746140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1113667}}^1$

素因数の和:1113986

約数の個数: 48

約数和(自身を含む): 57625636992

約数和(自身を除く): 37111890852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4605, 6140, 9210, 18420, 1113667, 2227334, 3341001, 4454668, 5568335, 6682002, 11136670, 13364004, 16705005, 22273340, 33410010, 66820020, 341895769, 683791538, 1025687307, 1367583076, 1709478845, 2051374614, 3418957690, 4102749228, 5128436535, 6837915380, 10256873070, 20513746140]

約数ペア:

[(1, 20513746140), (2, 10256873070), (3, 6837915380), (4, 5128436535), (5, 4102749228), (6, 3418957690), (10, 2051374614), (12, 1709478845), (15, 1367583076), (20, 1025687307), (30, 683791538), (60, 341895769), (307, 66820020), (614, 33410010), (921, 22273340), (1228, 16705005), (1535, 13364004), (1842, 11136670), (3070, 6682002), (3684, 5568335), (4605, 4454668), (6140, 3341001), (9210, 2227334), (18420, 1113667)]