20889120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6217}}^1$

素因数の和:6242

約数の個数: 96

約数和(自身を含む): 75212928

約数和(自身を除く): 54323808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6217, 12434, 18651, 24868, 31085, 37302, 43519, 49736, 62170, 74604, 87038, 93255, 99472, 124340, 130557, 149208, 174076, 186510, 198944, 217595, 248680, 261114, 298416, 348152, 373020, 435190, 497360, 522228, 596832, 652785, 696304, 746040, 870380, 994720, 1044456, 1305570, 1392608, 1492080, 1740760, 2088912, 2611140, 2984160, 3481520, 4177824, 5222280, 6963040, 10444560, 20889120]

約数ペア:

[(1, 20889120), (2, 10444560), (3, 6963040), (4, 5222280), (5, 4177824), (6, 3481520), (7, 2984160), (8, 2611140), (10, 2088912), (12, 1740760), (14, 1492080), (15, 1392608), (16, 1305570), (20, 1044456), (21, 994720), (24, 870380), (28, 746040), (30, 696304), (32, 652785), (35, 596832), (40, 522228), (42, 497360), (48, 435190), (56, 373020), (60, 348152), (70, 298416), (80, 261114), (84, 248680), (96, 217595), (105, 198944), (112, 186510), (120, 174076), (140, 149208), (160, 130557), (168, 124340), (210, 99472), (224, 93255), (240, 87038), (280, 74604), (336, 62170), (420, 49736), (480, 43519), (560, 37302), (672, 31085), (840, 24868), (1120, 18651), (1680, 12434), (3360, 6217)]