20161811536

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{48817}}^1$

素因数の和:49219

約数の個数: 40

約数和(自身を含む): 39662086464

約数和(自身を除く): 19500274928

約数列:

[1, 2, 4, 8, 16, 83, 166, 311, 332, 622, 664, 1244, 1328, 2488, 4976, 25813, 48817, 51626, 97634, 103252, 195268, 206504, 390536, 413008, 781072, 4051811, 8103622, 15182087, 16207244, 30364174, 32414488, 60728348, 64828976, 121456696, 242913392, 1260113221, 2520226442, 5040452884, 10080905768, 20161811536]

約数ペア:

[(1, 20161811536), (2, 10080905768), (4, 5040452884), (8, 2520226442), (16, 1260113221), (83, 242913392), (166, 121456696), (311, 64828976), (332, 60728348), (622, 32414488), (664, 30364174), (1244, 16207244), (1328, 15182087), (2488, 8103622), (4976, 4051811), (25813, 781072), (48817, 413008), (51626, 390536), (97634, 206504), (103252, 195268)]