20444133020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{264889}}^1$

素因数の和:265142

約数の個数: 48

約数和(自身を含む): 45658559520

約数和(自身を除く): 25214426500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 340, 454, 908, 1135, 2270, 3859, 4540, 7718, 15436, 19295, 38590, 77180, 264889, 529778, 1059556, 1324445, 2648890, 4503113, 5297780, 9006226, 18012452, 22515565, 45031130, 60129803, 90062260, 120259606, 240519212, 300649015, 601298030, 1022206651, 1202596060, 2044413302, 4088826604, 5111033255, 10222066510, 20444133020]

約数ペア:

[(1, 20444133020), (2, 10222066510), (4, 5111033255), (5, 4088826604), (10, 2044413302), (17, 1202596060), (20, 1022206651), (34, 601298030), (68, 300649015), (85, 240519212), (170, 120259606), (227, 90062260), (340, 60129803), (454, 45031130), (908, 22515565), (1135, 18012452), (2270, 9006226), (3859, 5297780), (4540, 4503113), (7718, 2648890), (15436, 1324445), (19295, 1059556), (38590, 529778), (77180, 264889)]