20105415

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4541

約数の個数: 40

約数和(自身を含む): 39325968

約数和(自身を除く): 19220553

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4513, 13539, 22565, 40617, 49643, 67695, 121851, 148929, 203085, 248215, 365553, 446787, 609255, 744645, 1340361, 1827765, 2233935, 4021083, 6701805, 20105415]

約数ペア:

[(1, 20105415), (3, 6701805), (5, 4021083), (9, 2233935), (11, 1827765), (15, 1340361), (27, 744645), (33, 609255), (45, 446787), (55, 365553), (81, 248215), (99, 203085), (135, 148929), (165, 121851), (297, 67695), (405, 49643), (495, 40617), (891, 22565), (1485, 13539), (4455, 4513)]