20019544320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5213423}}^1$

素因数の和:5213447

約数の個数: 72

約数和(自身を含む): 63937431936

約数和(自身を除く): 43917887616

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5213423, 10426846, 15640269, 20853692, 26067115, 31280538, 41707384, 52134230, 62561076, 78201345, 83414768, 104268460, 125122152, 156402690, 166829536, 208536920, 250244304, 312805380, 333659072, 417073840, 500488608, 625610760, 667318144, 834147680, 1000977216, 1251221520, 1334636288, 1668295360, 2001954432, 2502443040, 3336590720, 4003908864, 5004886080, 6673181440, 10009772160, 20019544320]

約数ペア:

[(1, 20019544320), (2, 10009772160), (3, 6673181440), (4, 5004886080), (5, 4003908864), (6, 3336590720), (8, 2502443040), (10, 2001954432), (12, 1668295360), (15, 1334636288), (16, 1251221520), (20, 1000977216), (24, 834147680), (30, 667318144), (32, 625610760), (40, 500488608), (48, 417073840), (60, 333659072), (64, 312805380), (80, 250244304), (96, 208536920), (120, 166829536), (128, 156402690), (160, 125122152), (192, 104268460), (240, 83414768), (256, 78201345), (320, 62561076), (384, 52134230), (480, 41707384), (640, 31280538), (768, 26067115), (960, 20853692), (1280, 15640269), (1920, 10426846), (3840, 5213423)]