20187631478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{15971}}^1$

素因数の和:16157

約数の個数: 64

約数和(自身を含む): 37756274688

約数和(自身を除く): 17568643210

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 113, 119, 226, 238, 329, 658, 791, 799, 1582, 1598, 1921, 3842, 5311, 5593, 10622, 11186, 13447, 15971, 26894, 31942, 37177, 74354, 90287, 111797, 180574, 223594, 271507, 543014, 632009, 750637, 1264018, 1501274, 1804723, 1900549, 3609446, 3801098, 5254459, 10508918, 12633061, 12760829, 25266122, 25521658, 30680291, 61360582, 84821981, 89325803, 169643962, 178651606, 214762037, 429524074, 593753867, 1187507734, 1441973677, 2883947354, 10093815739, 20187631478]

約数ペア:

[(1, 20187631478), (2, 10093815739), (7, 2883947354), (14, 1441973677), (17, 1187507734), (34, 593753867), (47, 429524074), (94, 214762037), (113, 178651606), (119, 169643962), (226, 89325803), (238, 84821981), (329, 61360582), (658, 30680291), (791, 25521658), (799, 25266122), (1582, 12760829), (1598, 12633061), (1921, 10508918), (3842, 5254459), (5311, 3801098), (5593, 3609446), (10622, 1900549), (11186, 1804723), (13447, 1501274), (15971, 1264018), (26894, 750637), (31942, 632009), (37177, 543014), (74354, 271507), (90287, 223594), (111797, 180574)]