20538553672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1659547}}^1$

素因数の和:1659590

約数の個数: 64

約数和(自身を含む): 50184731520

約数和(自身を除く): 29646177848

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 1659547, 3319094, 6638188, 11616829, 13276376, 21574111, 23233658, 28212299, 43148222, 46467316, 56424598, 86296444, 92934632, 112849196, 151018777, 172592888, 197486093, 225698392, 302037554, 366759887, 394972186, 604075108, 733519774, 789944372, 1208150216, 1467039548, 1579888744, 2567319209, 2934079096, 5134638418, 10269276836, 20538553672]

約数ペア:

[(1, 20538553672), (2, 10269276836), (4, 5134638418), (7, 2934079096), (8, 2567319209), (13, 1579888744), (14, 1467039548), (17, 1208150216), (26, 789944372), (28, 733519774), (34, 604075108), (52, 394972186), (56, 366759887), (68, 302037554), (91, 225698392), (104, 197486093), (119, 172592888), (136, 151018777), (182, 112849196), (221, 92934632), (238, 86296444), (364, 56424598), (442, 46467316), (476, 43148222), (728, 28212299), (884, 23233658), (952, 21574111), (1547, 13276376), (1768, 11616829), (3094, 6638188), (6188, 3319094), (12376, 1659547)]