20719880032

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{9311}}^1$

素因数の和:9871

約数の個数: 48

約数和(自身を含む): 41119892352

約数和(自身を除く): 20400012320

約数列:

[1, 2, 4, 8, 16, 32, 197, 353, 394, 706, 788, 1412, 1576, 2824, 3152, 5648, 6304, 9311, 11296, 18622, 37244, 69541, 74488, 139082, 148976, 278164, 297952, 556328, 1112656, 1834267, 2225312, 3286783, 3668534, 6573566, 7337068, 13147132, 14674136, 26294264, 29348272, 52588528, 58696544, 105177056, 647496251, 1294992502, 2589985004, 5179970008, 10359940016, 20719880032]

約数ペア:

[(1, 20719880032), (2, 10359940016), (4, 5179970008), (8, 2589985004), (16, 1294992502), (32, 647496251), (197, 105177056), (353, 58696544), (394, 52588528), (706, 29348272), (788, 26294264), (1412, 14674136), (1576, 13147132), (2824, 7337068), (3152, 6573566), (5648, 3668534), (6304, 3286783), (9311, 2225312), (11296, 1834267), (18622, 1112656), (37244, 556328), (69541, 297952), (74488, 278164), (139082, 148976)]