20105766880

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{702017}}^1$

素因数の和:702211

約数の個数: 48

約数和(自身を含む): 47765304720

約数和(自身を除く): 27659537840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 14320, 28640, 702017, 1404034, 2808068, 3510085, 5616136, 7020170, 11232272, 14040340, 22464544, 28080680, 56161360, 112322720, 125661043, 251322086, 502644172, 628305215, 1005288344, 1256610430, 2010576688, 2513220860, 4021153376, 5026441720, 10052883440, 20105766880]

約数ペア:

[(1, 20105766880), (2, 10052883440), (4, 5026441720), (5, 4021153376), (8, 2513220860), (10, 2010576688), (16, 1256610430), (20, 1005288344), (32, 628305215), (40, 502644172), (80, 251322086), (160, 125661043), (179, 112322720), (358, 56161360), (716, 28080680), (895, 22464544), (1432, 14040340), (1790, 11232272), (2864, 7020170), (3580, 5616136), (5728, 3510085), (7160, 2808068), (14320, 1404034), (28640, 702017)]