20490696578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{144829}}^1$

素因数の和:145010

約数の個数: 32

約数和(自身を含む): 34411608000

約数和(自身を除く): 13920911422

約数列:

[1, 2, 11, 22, 59, 109, 118, 218, 649, 1199, 1298, 2398, 6431, 12862, 70741, 141482, 144829, 289658, 1593119, 3186238, 8544911, 15786361, 17089822, 31572722, 93994021, 173649971, 187988042, 347299942, 931395299, 1862790598, 10245348289, 20490696578]

約数ペア:

[(1, 20490696578), (2, 10245348289), (11, 1862790598), (22, 931395299), (59, 347299942), (109, 187988042), (118, 173649971), (218, 93994021), (649, 31572722), (1199, 17089822), (1298, 15786361), (2398, 8544911), (6431, 3186238), (12862, 1593119), (70741, 289658), (141482, 144829)]