20172872752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{4259}}^1$

素因数の和:4562

約数の個数: 80

約数和(自身を含む): 41659119360

約数和(自身を除く): 21486246608

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 211, 244, 368, 422, 488, 844, 976, 1403, 1688, 2806, 3376, 4259, 4853, 5612, 8518, 9706, 11224, 12871, 17036, 19412, 22448, 25742, 34072, 38824, 51484, 68144, 77648, 97957, 102968, 195914, 205936, 259799, 296033, 391828, 519598, 592066, 783656, 898649, 1039196, 1184132, 1567312, 1797298, 2078392, 2368264, 3594596, 4156784, 4736528, 5975377, 7189192, 11950754, 14378384, 20668927, 23901508, 41337854, 47803016, 54817589, 82675708, 95606032, 109635178, 165351416, 219270356, 330702832, 438540712, 877081424, 1260804547, 2521609094, 5043218188, 10086436376, 20172872752]

約数ペア:

[(1, 20172872752), (2, 10086436376), (4, 5043218188), (8, 2521609094), (16, 1260804547), (23, 877081424), (46, 438540712), (61, 330702832), (92, 219270356), (122, 165351416), (184, 109635178), (211, 95606032), (244, 82675708), (368, 54817589), (422, 47803016), (488, 41337854), (844, 23901508), (976, 20668927), (1403, 14378384), (1688, 11950754), (2806, 7189192), (3376, 5975377), (4259, 4736528), (4853, 4156784), (5612, 3594596), (8518, 2368264), (9706, 2078392), (11224, 1797298), (12871, 1567312), (17036, 1184132), (19412, 1039196), (22448, 898649), (25742, 783656), (34072, 592066), (38824, 519598), (51484, 391828), (68144, 296033), (77648, 259799), (97957, 205936), (102968, 195914)]