20937180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31723}}^1$

素因数の和:31746

約数の個数: 48

約数和(自身を含む): 63955584

約数和(自身を除く): 43018404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31723, 63446, 95169, 126892, 158615, 190338, 317230, 348953, 380676, 475845, 634460, 697906, 951690, 1046859, 1395812, 1744765, 1903380, 2093718, 3489530, 4187436, 5234295, 6979060, 10468590, 20937180]

約数ペア:

[(1, 20937180), (2, 10468590), (3, 6979060), (4, 5234295), (5, 4187436), (6, 3489530), (10, 2093718), (11, 1903380), (12, 1744765), (15, 1395812), (20, 1046859), (22, 951690), (30, 697906), (33, 634460), (44, 475845), (55, 380676), (60, 348953), (66, 317230), (110, 190338), (132, 158615), (165, 126892), (220, 95169), (330, 63446), (660, 31723)]