20199167982

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{174821}}^1$

素因数の和:174974

約数の個数: 72

約数和(自身を含む): 51299068392

約数和(自身を除く): 31099900410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 131, 147, 262, 294, 393, 441, 786, 882, 917, 1179, 1834, 2358, 2751, 5502, 6419, 8253, 12838, 16506, 19257, 38514, 57771, 115542, 174821, 349642, 524463, 1048926, 1223747, 1573389, 2447494, 3146778, 3671241, 7342482, 8566229, 11013723, 17132458, 22027446, 22901551, 25698687, 45803102, 51397374, 68704653, 77096061, 137409306, 154192122, 160310857, 206113959, 320621714, 412227918, 480932571, 961865142, 1122175999, 1442797713, 2244351998, 2885595426, 3366527997, 6733055994, 10099583991, 20199167982]

約数ペア:

[(1, 20199167982), (2, 10099583991), (3, 6733055994), (6, 3366527997), (7, 2885595426), (9, 2244351998), (14, 1442797713), (18, 1122175999), (21, 961865142), (42, 480932571), (49, 412227918), (63, 320621714), (98, 206113959), (126, 160310857), (131, 154192122), (147, 137409306), (262, 77096061), (294, 68704653), (393, 51397374), (441, 45803102), (786, 25698687), (882, 22901551), (917, 22027446), (1179, 17132458), (1834, 11013723), (2358, 8566229), (2751, 7342482), (5502, 3671241), (6419, 3146778), (8253, 2447494), (12838, 1573389), (16506, 1223747), (19257, 1048926), (38514, 524463), (57771, 349642), (115542, 174821)]