20658120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24593}}^1$

素因数の和:24614

約数の個数: 64

約数和(自身を含む): 70830720

約数和(自身を除く): 50172600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24593, 49186, 73779, 98372, 122965, 147558, 172151, 196744, 245930, 295116, 344302, 368895, 491860, 516453, 590232, 688604, 737790, 860755, 983720, 1032906, 1377208, 1475580, 1721510, 2065812, 2582265, 2951160, 3443020, 4131624, 5164530, 6886040, 10329060, 20658120]

約数ペア:

[(1, 20658120), (2, 10329060), (3, 6886040), (4, 5164530), (5, 4131624), (6, 3443020), (7, 2951160), (8, 2582265), (10, 2065812), (12, 1721510), (14, 1475580), (15, 1377208), (20, 1032906), (21, 983720), (24, 860755), (28, 737790), (30, 688604), (35, 590232), (40, 516453), (42, 491860), (56, 368895), (60, 344302), (70, 295116), (84, 245930), (105, 196744), (120, 172151), (140, 147558), (168, 122965), (210, 98372), (280, 73779), (420, 49186), (840, 24593)]