20161687740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{97711}}^1$

素因数の和:97923

約数の個数: 96

約数和(自身を含む): 59752842240

約数和(自身を除く): 39591154500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 181, 190, 228, 285, 362, 380, 543, 570, 724, 905, 1086, 1140, 1810, 2172, 2715, 3439, 3620, 5430, 6878, 10317, 10860, 13756, 17195, 20634, 34390, 41268, 51585, 68780, 97711, 103170, 195422, 206340, 293133, 390844, 488555, 586266, 977110, 1172532, 1465665, 1856509, 1954220, 2931330, 3713018, 5569527, 5862660, 7426036, 9282545, 11139054, 17685691, 18565090, 22278108, 27847635, 35371382, 37130180, 53057073, 55695270, 70742764, 88428455, 106114146, 111390540, 176856910, 212228292, 265285365, 336028129, 353713820, 530570730, 672056258, 1008084387, 1061141460, 1344112516, 1680140645, 2016168774, 3360281290, 4032337548, 5040421935, 6720562580, 10080843870, 20161687740]

約数ペア:

[(1, 20161687740), (2, 10080843870), (3, 6720562580), (4, 5040421935), (5, 4032337548), (6, 3360281290), (10, 2016168774), (12, 1680140645), (15, 1344112516), (19, 1061141460), (20, 1008084387), (30, 672056258), (38, 530570730), (57, 353713820), (60, 336028129), (76, 265285365), (95, 212228292), (114, 176856910), (181, 111390540), (190, 106114146), (228, 88428455), (285, 70742764), (362, 55695270), (380, 53057073), (543, 37130180), (570, 35371382), (724, 27847635), (905, 22278108), (1086, 18565090), (1140, 17685691), (1810, 11139054), (2172, 9282545), (2715, 7426036), (3439, 5862660), (3620, 5569527), (5430, 3713018), (6878, 2931330), (10317, 1954220), (10860, 1856509), (13756, 1465665), (17195, 1172532), (20634, 977110), (34390, 586266), (41268, 488555), (51585, 390844), (68780, 293133), (97711, 206340), (103170, 195422)]