20908045444

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1123}}^1$

素因数の和:1442

約数の個数: 96

約数和(自身を含む): 43540882560

約数和(自身を除く): 22632837116

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 269, 286, 484, 538, 572, 1076, 1123, 1331, 1573, 2246, 2662, 2959, 3146, 3497, 4492, 5324, 5918, 6292, 6994, 11836, 12353, 13988, 14599, 17303, 24706, 29198, 32549, 34606, 38467, 49412, 58396, 65098, 69212, 76934, 130196, 135883, 153868, 160589, 271766, 302087, 321178, 358039, 423137, 543532, 604174, 642356, 716078, 846274, 1208348, 1432156, 1494713, 1692548, 1766479, 2989426, 3322957, 3532958, 3927131, 4654507, 5978852, 6645914, 7065916, 7854262, 9309014, 13291828, 15708524, 18618028, 19431269, 36552527, 38862538, 43198441, 73105054, 77725076, 86396882, 146210108, 172793764, 402077797, 475182851, 804155594, 950365702, 1608311188, 1900731404, 5227011361, 10454022722, 20908045444]

約数ペア:

[(1, 20908045444), (2, 10454022722), (4, 5227011361), (11, 1900731404), (13, 1608311188), (22, 950365702), (26, 804155594), (44, 475182851), (52, 402077797), (121, 172793764), (143, 146210108), (242, 86396882), (269, 77725076), (286, 73105054), (484, 43198441), (538, 38862538), (572, 36552527), (1076, 19431269), (1123, 18618028), (1331, 15708524), (1573, 13291828), (2246, 9309014), (2662, 7854262), (2959, 7065916), (3146, 6645914), (3497, 5978852), (4492, 4654507), (5324, 3927131), (5918, 3532958), (6292, 3322957), (6994, 2989426), (11836, 1766479), (12353, 1692548), (13988, 1494713), (14599, 1432156), (17303, 1208348), (24706, 846274), (29198, 716078), (32549, 642356), (34606, 604174), (38467, 543532), (49412, 423137), (58396, 358039), (65098, 321178), (69212, 302087), (76934, 271766), (130196, 160589), (135883, 153868)]