20196190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 23930018

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 227, 287, 310, 410, 434, 454, 574, 1085, 1135, 1271, 1435, 1589, 2170, 2270, 2542, 2870, 3178, 6355, 7037, 7945, 8897, 9307, 12710, 14074, 15890, 17794, 18614, 35185, 44485, 46535, 49259, 65149, 70370, 88970, 93070, 98518, 130298, 246295, 288517, 325745, 492590, 577034, 651490, 1442585, 2019619, 2885170, 4039238, 10098095, 20196190]

約数ペア:

[(1, 20196190), (2, 10098095), (5, 4039238), (7, 2885170), (10, 2019619), (14, 1442585), (31, 651490), (35, 577034), (41, 492590), (62, 325745), (70, 288517), (82, 246295), (155, 130298), (205, 98518), (217, 93070), (227, 88970), (287, 70370), (310, 65149), (410, 49259), (434, 46535), (454, 44485), (574, 35185), (1085, 18614), (1135, 17794), (1271, 15890), (1435, 14074), (1589, 12710), (2170, 9307), (2270, 8897), (2542, 7945), (2870, 7037), (3178, 6355)]