20975160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3719}}^1$

素因数の和:3780

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 43306440

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, 3719, 5640, 7438, 11157, 14876, 18595, 22314, 29752, 37190, 44628, 55785, 74380, 89256, 111570, 148760, 174793, 223140, 349586, 446280, 524379, 699172, 873965, 1048758, 1398344, 1747930, 2097516, 2621895, 3495860, 4195032, 5243790, 6991720, 10487580, 20975160]

約数ペア:

[(1, 20975160), (2, 10487580), (3, 6991720), (4, 5243790), (5, 4195032), (6, 3495860), (8, 2621895), (10, 2097516), (12, 1747930), (15, 1398344), (20, 1048758), (24, 873965), (30, 699172), (40, 524379), (47, 446280), (60, 349586), (94, 223140), (120, 174793), (141, 148760), (188, 111570), (235, 89256), (282, 74380), (376, 55785), (470, 44628), (564, 37190), (705, 29752), (940, 22314), (1128, 18595), (1410, 14876), (1880, 11157), (2820, 7438), (3719, 5640)]