20856600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11587}}^1$

素因数の和:11609

約数の個数: 72

約数和(自身を含む): 70049460

約数和(自身を除く): 49192860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11587, 23174, 34761, 46348, 57935, 69522, 92696, 104283, 115870, 139044, 173805, 208566, 231740, 278088, 289675, 347610, 417132, 463480, 521415, 579350, 695220, 834264, 869025, 1042830, 1158700, 1390440, 1738050, 2085660, 2317400, 2607075, 3476100, 4171320, 5214150, 6952200, 10428300, 20856600]

約数ペア:

[(1, 20856600), (2, 10428300), (3, 6952200), (4, 5214150), (5, 4171320), (6, 3476100), (8, 2607075), (9, 2317400), (10, 2085660), (12, 1738050), (15, 1390440), (18, 1158700), (20, 1042830), (24, 869025), (25, 834264), (30, 695220), (36, 579350), (40, 521415), (45, 463480), (50, 417132), (60, 347610), (72, 289675), (75, 278088), (90, 231740), (100, 208566), (120, 173805), (150, 139044), (180, 115870), (200, 104283), (225, 92696), (300, 69522), (360, 57935), (450, 46348), (600, 34761), (900, 23174), (1800, 11587)]