20280472784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{31321}}^1$

素因数の和:31636

約数の個数: 80

約数和(自身を含む): 46327493184

約数和(自身を除く): 26047020400

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 283, 286, 566, 572, 1132, 1144, 2264, 2288, 3113, 3679, 4528, 6226, 7358, 12452, 14716, 24904, 29432, 31321, 40469, 49808, 58864, 62642, 80938, 125284, 161876, 250568, 323752, 344531, 407173, 501136, 647504, 689062, 814346, 1378124, 1628692, 2756248, 3257384, 4478903, 5512496, 6514768, 8863843, 8957806, 17727686, 17915612, 35455372, 35831224, 70910744, 71662448, 97502273, 115229959, 141821488, 195004546, 230459918, 390009092, 460919836, 780018184, 921839672, 1267529549, 1560036368, 1843679344, 2535059098, 5070118196, 10140236392, 20280472784]

約数ペア:

[(1, 20280472784), (2, 10140236392), (4, 5070118196), (8, 2535059098), (11, 1843679344), (13, 1560036368), (16, 1267529549), (22, 921839672), (26, 780018184), (44, 460919836), (52, 390009092), (88, 230459918), (104, 195004546), (143, 141821488), (176, 115229959), (208, 97502273), (283, 71662448), (286, 70910744), (566, 35831224), (572, 35455372), (1132, 17915612), (1144, 17727686), (2264, 8957806), (2288, 8863843), (3113, 6514768), (3679, 5512496), (4528, 4478903), (6226, 3257384), (7358, 2756248), (12452, 1628692), (14716, 1378124), (24904, 814346), (29432, 689062), (31321, 647504), (40469, 501136), (49808, 407173), (58864, 344531), (62642, 323752), (80938, 250568), (125284, 161876)]