20601700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 72

約数和(自身を含む): 53816000

約数和(自身を除く): 33214300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1549, 1900, 2660, 3098, 3325, 6196, 6650, 7745, 10843, 13300, 15490, 21686, 29431, 30980, 38725, 43372, 54215, 58862, 77450, 108430, 117724, 147155, 154900, 206017, 216860, 271075, 294310, 412034, 542150, 588620, 735775, 824068, 1030085, 1084300, 1471550, 2060170, 2943100, 4120340, 5150425, 10300850, 20601700]

約数ペア:

[(1, 20601700), (2, 10300850), (4, 5150425), (5, 4120340), (7, 2943100), (10, 2060170), (14, 1471550), (19, 1084300), (20, 1030085), (25, 824068), (28, 735775), (35, 588620), (38, 542150), (50, 412034), (70, 294310), (76, 271075), (95, 216860), (100, 206017), (133, 154900), (140, 147155), (175, 117724), (190, 108430), (266, 77450), (350, 58862), (380, 54215), (475, 43372), (532, 38725), (665, 30980), (700, 29431), (950, 21686), (1330, 15490), (1549, 13300), (1900, 10843), (2660, 7745), (3098, 6650), (3325, 6196)]