20471535

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 23557905

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 83, 87, 105, 135, 145, 189, 203, 243, 249, 261, 315, 405, 415, 435, 567, 581, 609, 747, 783, 945, 1015, 1215, 1245, 1305, 1701, 1743, 1827, 2241, 2349, 2407, 2835, 2905, 3045, 3735, 3915, 5229, 5481, 6723, 7047, 7221, 8505, 8715, 9135, 11205, 11745, 12035, 15687, 16443, 16849, 20169, 21663, 26145, 27405, 33615, 35235, 36105, 47061, 49329, 50547, 64989, 78435, 82215, 84245, 100845, 108315, 141183, 151641, 194967, 235305, 246645, 252735, 324945, 454923, 584901, 705915, 758205, 974835, 1364769, 2274615, 2924505, 4094307, 6823845, 20471535]

約数ペア:

[(1, 20471535), (3, 6823845), (5, 4094307), (7, 2924505), (9, 2274615), (15, 1364769), (21, 974835), (27, 758205), (29, 705915), (35, 584901), (45, 454923), (63, 324945), (81, 252735), (83, 246645), (87, 235305), (105, 194967), (135, 151641), (145, 141183), (189, 108315), (203, 100845), (243, 84245), (249, 82215), (261, 78435), (315, 64989), (405, 50547), (415, 49329), (435, 47061), (567, 36105), (581, 35235), (609, 33615), (747, 27405), (783, 26145), (945, 21663), (1015, 20169), (1215, 16849), (1245, 16443), (1305, 15687), (1701, 12035), (1743, 11745), (1827, 11205), (2241, 9135), (2349, 8715), (2407, 8505), (2835, 7221), (2905, 7047), (3045, 6723), (3735, 5481), (3915, 5229)]