20161971410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{13499}}^1$

素因数の和:14655

約数の個数: 64

約数和(自身を含む): 43701120000

約数和(自身を除く): 23539148590

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1123, 1330, 2246, 5615, 7861, 11230, 13499, 15722, 21337, 26998, 39305, 42674, 67495, 78610, 94493, 106685, 134990, 149359, 188986, 213370, 256481, 298718, 472465, 512962, 746795, 944930, 1282405, 1493590, 1795367, 2564810, 3590734, 8976835, 15159377, 17953670, 30318754, 75796885, 106115639, 151593770, 212231278, 288028163, 530578195, 576056326, 1061156390, 1440140815, 2016197141, 2880281630, 4032394282, 10080985705, 20161971410]

約数ペア:

[(1, 20161971410), (2, 10080985705), (5, 4032394282), (7, 2880281630), (10, 2016197141), (14, 1440140815), (19, 1061156390), (35, 576056326), (38, 530578195), (70, 288028163), (95, 212231278), (133, 151593770), (190, 106115639), (266, 75796885), (665, 30318754), (1123, 17953670), (1330, 15159377), (2246, 8976835), (5615, 3590734), (7861, 2564810), (11230, 1795367), (13499, 1493590), (15722, 1282405), (21337, 944930), (26998, 746795), (39305, 512962), (42674, 472465), (67495, 298718), (78610, 256481), (94493, 213370), (106685, 188986), (134990, 149359)]