20077440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10457}}^1$

素因数の和:10479

約数の個数: 64

約数和(自身を含む): 64002960

約数和(自身を除く): 43925520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10457, 20914, 31371, 41828, 52285, 62742, 83656, 104570, 125484, 156855, 167312, 209140, 250968, 313710, 334624, 418280, 501936, 627420, 669248, 836560, 1003872, 1254840, 1338496, 1673120, 2007744, 2509680, 3346240, 4015488, 5019360, 6692480, 10038720, 20077440]

約数ペア:

[(1, 20077440), (2, 10038720), (3, 6692480), (4, 5019360), (5, 4015488), (6, 3346240), (8, 2509680), (10, 2007744), (12, 1673120), (15, 1338496), (16, 1254840), (20, 1003872), (24, 836560), (30, 669248), (32, 627420), (40, 501936), (48, 418280), (60, 334624), (64, 313710), (80, 250968), (96, 209140), (120, 167312), (128, 156855), (160, 125484), (192, 104570), (240, 83656), (320, 62742), (384, 52285), (480, 41828), (640, 31371), (960, 20914), (1920, 10457)]