20017592

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9661}}^1$

素因数の和:9711

約数の個数: 32

約数和(自身を含む): 44058720

約数和(自身を除く): 24041128

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9661, 19322, 38644, 67627, 77288, 135254, 270508, 357457, 541016, 714914, 1429828, 2502199, 2859656, 5004398, 10008796, 20017592]

約数ペア:

[(1, 20017592), (2, 10008796), (4, 5004398), (7, 2859656), (8, 2502199), (14, 1429828), (28, 714914), (37, 541016), (56, 357457), (74, 270508), (148, 135254), (259, 77288), (296, 67627), (518, 38644), (1036, 19322), (2072, 9661)]