20738280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3677}}^1$

素因数の和:3738

約数の個数: 64

約数和(自身を含む): 63555840

約数和(自身を除く): 42817560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3677, 5640, 7354, 11031, 14708, 18385, 22062, 29416, 36770, 44124, 55155, 73540, 88248, 110310, 147080, 172819, 220620, 345638, 441240, 518457, 691276, 864095, 1036914, 1382552, 1728190, 2073828, 2592285, 3456380, 4147656, 5184570, 6912760, 10369140, 20738280]

約数ペア:

[(1, 20738280), (2, 10369140), (3, 6912760), (4, 5184570), (5, 4147656), (6, 3456380), (8, 2592285), (10, 2073828), (12, 1728190), (15, 1382552), (20, 1036914), (24, 864095), (30, 691276), (40, 518457), (47, 441240), (60, 345638), (94, 220620), (120, 172819), (141, 147080), (188, 110310), (235, 88248), (282, 73540), (376, 55155), (470, 44124), (564, 36770), (705, 29416), (940, 22062), (1128, 18385), (1410, 14708), (1880, 11031), (2820, 7354), (3677, 5640)]