20173038725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{28597}}^1$

素因数の和:28782

約数の個数: 48

約数和(自身を含む): 29787676800

約数和(自身を除く): 9614638075

約数列:

[1, 5, 7, 25, 29, 35, 139, 145, 175, 203, 695, 725, 973, 1015, 3475, 4031, 4865, 5075, 20155, 24325, 28217, 28597, 100775, 141085, 142985, 200179, 705425, 714925, 829313, 1000895, 3974983, 4146565, 5004475, 5805191, 19874915, 20732825, 27824881, 29025955, 99374575, 115274507, 139124405, 145129775, 576372535, 695622025, 806921549, 2881862675, 4034607745, 20173038725]

約数ペア:

[(1, 20173038725), (5, 4034607745), (7, 2881862675), (25, 806921549), (29, 695622025), (35, 576372535), (139, 145129775), (145, 139124405), (175, 115274507), (203, 99374575), (695, 29025955), (725, 27824881), (973, 20732825), (1015, 19874915), (3475, 5805191), (4031, 5004475), (4865, 4146565), (5075, 3974983), (20155, 1000895), (24325, 829313), (28217, 714925), (28597, 705425), (100775, 200179), (141085, 142985)]