20349047260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{263657}}^1$

素因数の和:263910

約数の個数: 48

約数和(自身を含む): 45446202144

約数和(自身を除く): 25097154884

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, 263657, 527314, 1054628, 1318285, 2636570, 4482169, 5273140, 8964338, 17928676, 22410845, 44821690, 59850139, 89643380, 119700278, 239400556, 299250695, 598501390, 1017452363, 1197002780, 2034904726, 4069809452, 5087261815, 10174523630, 20349047260]

約数ペア:

[(1, 20349047260), (2, 10174523630), (4, 5087261815), (5, 4069809452), (10, 2034904726), (17, 1197002780), (20, 1017452363), (34, 598501390), (68, 299250695), (85, 239400556), (170, 119700278), (227, 89643380), (340, 59850139), (454, 44821690), (908, 22410845), (1135, 17928676), (2270, 8964338), (3859, 5273140), (4540, 4482169), (7718, 2636570), (15436, 1318285), (19295, 1054628), (38590, 527314), (77180, 263657)]