20835648

素因数分解:

$2^6\times 3^2\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:672

約数の個数: 84

約数和(自身を含む): 60803028

約数和(自身を除く): 39967380

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 144, 183, 192, 244, 288, 366, 488, 549, 576, 593, 732, 976, 1098, 1186, 1464, 1779, 1952, 2196, 2372, 2928, 3558, 3904, 4392, 4744, 5337, 5856, 7116, 8784, 9488, 10674, 11712, 14232, 17568, 18976, 21348, 28464, 35136, 36173, 37952, 42696, 56928, 72346, 85392, 108519, 113856, 144692, 170784, 217038, 289384, 325557, 341568, 434076, 578768, 651114, 868152, 1157536, 1302228, 1736304, 2315072, 2604456, 3472608, 5208912, 6945216, 10417824, 20835648]

約数ペア:

[(1, 20835648), (2, 10417824), (3, 6945216), (4, 5208912), (6, 3472608), (8, 2604456), (9, 2315072), (12, 1736304), (16, 1302228), (18, 1157536), (24, 868152), (32, 651114), (36, 578768), (48, 434076), (61, 341568), (64, 325557), (72, 289384), (96, 217038), (122, 170784), (144, 144692), (183, 113856), (192, 108519), (244, 85392), (288, 72346), (366, 56928), (488, 42696), (549, 37952), (576, 36173), (593, 35136), (732, 28464), (976, 21348), (1098, 18976), (1186, 17568), (1464, 14232), (1779, 11712), (1952, 10674), (2196, 9488), (2372, 8784), (2928, 7116), (3558, 5856), (3904, 5337), (4392, 4744)]