20172690448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{1759}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 40714854400

約数和(自身を除く): 20542163952

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 211, 316, 344, 422, 632, 688, 844, 1264, 1688, 1759, 3376, 3397, 3518, 6794, 7036, 9073, 13588, 14072, 16669, 18146, 27176, 28144, 33338, 36292, 54352, 66676, 72584, 75637, 133352, 138961, 145168, 151274, 266704, 277922, 302548, 371149, 555844, 605096, 716767, 742298, 1111688, 1210192, 1433534, 1484596, 2223376, 2867068, 2969192, 5734136, 5938384, 5975323, 11468272, 11950646, 15959407, 23901292, 29320771, 31918814, 47802584, 58641542, 63837628, 95605168, 117283084, 127675256, 234566168, 255350512, 469132336, 1260793153, 2521586306, 5043172612, 10086345224, 20172690448]

約数ペア:

[(1, 20172690448), (2, 10086345224), (4, 5043172612), (8, 2521586306), (16, 1260793153), (43, 469132336), (79, 255350512), (86, 234566168), (158, 127675256), (172, 117283084), (211, 95605168), (316, 63837628), (344, 58641542), (422, 47802584), (632, 31918814), (688, 29320771), (844, 23901292), (1264, 15959407), (1688, 11950646), (1759, 11468272), (3376, 5975323), (3397, 5938384), (3518, 5734136), (6794, 2969192), (7036, 2867068), (9073, 2223376), (13588, 1484596), (14072, 1433534), (16669, 1210192), (18146, 1111688), (27176, 742298), (28144, 716767), (33338, 605096), (36292, 555844), (54352, 371149), (66676, 302548), (72584, 277922), (75637, 266704), (133352, 151274), (138961, 145168)]