20157611810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{48179}}^1$

素因数の和:48375

約数の個数: 64

約数和(自身を含む): 42737587200

約数和(自身を除く): 22579975390

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 139, 215, 278, 301, 430, 602, 695, 973, 1390, 1505, 1946, 3010, 4865, 5977, 9730, 11954, 29885, 41839, 48179, 59770, 83678, 96358, 209195, 240895, 337253, 418390, 481790, 674506, 1686265, 2071697, 3372530, 4143394, 6696881, 10358485, 13393762, 14501879, 20716970, 29003758, 33484405, 46878167, 66968810, 72509395, 93756334, 145018790, 234390835, 287965883, 468781670, 575931766, 1439829415, 2015761181, 2879658830, 4031522362, 10078805905, 20157611810]

約数ペア:

[(1, 20157611810), (2, 10078805905), (5, 4031522362), (7, 2879658830), (10, 2015761181), (14, 1439829415), (35, 575931766), (43, 468781670), (70, 287965883), (86, 234390835), (139, 145018790), (215, 93756334), (278, 72509395), (301, 66968810), (430, 46878167), (602, 33484405), (695, 29003758), (973, 20716970), (1390, 14501879), (1505, 13393762), (1946, 10358485), (3010, 6696881), (4865, 4143394), (5977, 3372530), (9730, 2071697), (11954, 1686265), (29885, 674506), (41839, 481790), (48179, 418390), (59770, 337253), (83678, 240895), (96358, 209195)]