20241920

素因数分解:

$2^9\times 5^1\times {\mathrm{7907}}^1$

素因数の和:7930

約数の個数: 40

約数和(自身を含む): 48539304

約数和(自身を除く): 28297384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7907, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 253024, 316280, 506048, 632560, 1012096, 1265120, 2024192, 2530240, 4048384, 5060480, 10120960, 20241920]

約数ペア:

[(1, 20241920), (2, 10120960), (4, 5060480), (5, 4048384), (8, 2530240), (10, 2024192), (16, 1265120), (20, 1012096), (32, 632560), (40, 506048), (64, 316280), (80, 253024), (128, 158140), (160, 126512), (256, 79070), (320, 63256), (512, 39535), (640, 31628), (1280, 15814), (2560, 7907)]