20126843716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1457

約数の個数: 96

約数和(自身を含む): 42881126400

約数和(自身を除く): 22754282684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 271, 274, 532, 542, 548, 959, 1019, 1084, 1897, 1918, 2038, 2603, 3794, 3836, 4076, 5149, 5206, 7133, 7588, 10298, 10412, 14266, 18221, 19361, 20596, 28532, 36043, 36442, 37127, 38722, 72086, 72884, 74254, 77444, 135527, 139603, 144172, 148508, 259889, 271054, 276149, 279206, 519778, 542108, 552298, 558412, 705413, 977221, 1039556, 1104596, 1410826, 1933043, 1954442, 2652457, 2821652, 3866086, 3908884, 4937891, 5246831, 5304914, 7732172, 9875782, 10493662, 10609828, 18567199, 19751564, 20987324, 36727817, 37134398, 37832413, 73455634, 74268796, 75664826, 146911268, 151329652, 264826891, 529653782, 718815847, 1059307564, 1437631694, 2875263388, 5031710929, 10063421858, 20126843716]

約数ペア:

[(1, 20126843716), (2, 10063421858), (4, 5031710929), (7, 2875263388), (14, 1437631694), (19, 1059307564), (28, 718815847), (38, 529653782), (76, 264826891), (133, 151329652), (137, 146911268), (266, 75664826), (271, 74268796), (274, 73455634), (532, 37832413), (542, 37134398), (548, 36727817), (959, 20987324), (1019, 19751564), (1084, 18567199), (1897, 10609828), (1918, 10493662), (2038, 9875782), (2603, 7732172), (3794, 5304914), (3836, 5246831), (4076, 4937891), (5149, 3908884), (5206, 3866086), (7133, 2821652), (7588, 2652457), (10298, 1954442), (10412, 1933043), (14266, 1410826), (18221, 1104596), (19361, 1039556), (20596, 977221), (28532, 705413), (36043, 558412), (36442, 552298), (37127, 542108), (38722, 519778), (72086, 279206), (72884, 276149), (74254, 271054), (77444, 259889), (135527, 148508), (139603, 144172)]