220020196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{70429}}^1$

素因数の和:70515

約数の個数: 24

約数和(自身を含む): 425960640

約数和(自身を除く): 205940444

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 70429, 140858, 281716, 774719, 1549438, 3098876, 5000459, 10000918, 20001836, 55005049, 110010098, 220020196]

約数ペア:

[(1, 220020196), (2, 110010098), (4, 55005049), (11, 20001836), (22, 10000918), (44, 5000459), (71, 3098876), (142, 1549438), (284, 774719), (781, 281716), (1562, 140858), (3124, 70429)]