20891863920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{34231}}^1$

素因数の和:36790

約数の個数: 80

約数和(自身を含む): 64792138752

約数和(自身を除く): 43900274832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2543, 5086, 7629, 10172, 12715, 15258, 20344, 25430, 30516, 34231, 38145, 40688, 50860, 61032, 68462, 76290, 101720, 102693, 122064, 136924, 152580, 171155, 203440, 205386, 273848, 305160, 342310, 410772, 513465, 547696, 610320, 684620, 821544, 1026930, 1369240, 1643088, 2053860, 2738480, 4107720, 8215440, 87049433, 174098866, 261148299, 348197732, 435247165, 522296598, 696395464, 870494330, 1044593196, 1305741495, 1392790928, 1740988660, 2089186392, 2611482990, 3481977320, 4178372784, 5222965980, 6963954640, 10445931960, 20891863920]

約数ペア:

[(1, 20891863920), (2, 10445931960), (3, 6963954640), (4, 5222965980), (5, 4178372784), (6, 3481977320), (8, 2611482990), (10, 2089186392), (12, 1740988660), (15, 1392790928), (16, 1305741495), (20, 1044593196), (24, 870494330), (30, 696395464), (40, 522296598), (48, 435247165), (60, 348197732), (80, 261148299), (120, 174098866), (240, 87049433), (2543, 8215440), (5086, 4107720), (7629, 2738480), (10172, 2053860), (12715, 1643088), (15258, 1369240), (20344, 1026930), (25430, 821544), (30516, 684620), (34231, 610320), (38145, 547696), (40688, 513465), (50860, 410772), (61032, 342310), (68462, 305160), (76290, 273848), (101720, 205386), (102693, 203440), (122064, 171155), (136924, 152580)]