20993398720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9372053}}^1$

素因数の和:9372077

約数の個数: 56

約数和(自身を含む): 57132041184

約数和(自身を除く): 36138642464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9372053, 18744106, 37488212, 46860265, 65604371, 74976424, 93720530, 131208742, 149952848, 187441060, 262417484, 299905696, 328021855, 374882120, 524834968, 599811392, 656043710, 749764240, 1049669936, 1312087420, 1499528480, 2099339872, 2624174840, 2999056960, 4198679744, 5248349680, 10496699360, 20993398720]

約数ペア:

[(1, 20993398720), (2, 10496699360), (4, 5248349680), (5, 4198679744), (7, 2999056960), (8, 2624174840), (10, 2099339872), (14, 1499528480), (16, 1312087420), (20, 1049669936), (28, 749764240), (32, 656043710), (35, 599811392), (40, 524834968), (56, 374882120), (64, 328021855), (70, 299905696), (80, 262417484), (112, 187441060), (140, 149952848), (160, 131208742), (224, 93720530), (280, 74976424), (320, 65604371), (448, 46860265), (560, 37488212), (1120, 18744106), (2240, 9372053)]