20783437587

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 33618067392

約数和(自身を除く): 12834629805

約数列:

[1, 3, 9, 11, 33, 67, 99, 121, 201, 363, 443, 603, 643, 737, 1089, 1329, 1929, 2211, 3987, 4873, 5787, 6633, 7073, 8107, 14619, 21219, 24321, 29681, 43081, 43857, 53603, 63657, 72963, 77803, 89043, 129243, 160809, 233409, 267129, 284849, 326491, 387729, 473891, 482427, 700227, 854547, 979473, 1421673, 2563641, 2938419, 3133339, 3591401, 4265019, 5212801, 9400017, 10774203, 15638403, 19084883, 28200051, 32322609, 34466729, 46915209, 57254649, 103400187, 171763947, 209933713, 310200561, 629801139, 1889403417, 2309270843, 6927812529, 20783437587]

約数ペア:

[(1, 20783437587), (3, 6927812529), (9, 2309270843), (11, 1889403417), (33, 629801139), (67, 310200561), (99, 209933713), (121, 171763947), (201, 103400187), (363, 57254649), (443, 46915209), (603, 34466729), (643, 32322609), (737, 28200051), (1089, 19084883), (1329, 15638403), (1929, 10774203), (2211, 9400017), (3987, 5212801), (4873, 4265019), (5787, 3591401), (6633, 3133339), (7073, 2938419), (8107, 2563641), (14619, 1421673), (21219, 979473), (24321, 854547), (29681, 700227), (43081, 482427), (43857, 473891), (53603, 387729), (63657, 326491), (72963, 284849), (77803, 267129), (89043, 233409), (129243, 160809)]