20503437409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{12713}}^1$

素因数の和:13249

約数の個数: 32

約数和(自身を含む): 25973176320

約数和(自身を除く): 5469738911

約数列:

[1, 7, 13, 37, 91, 259, 479, 481, 3353, 3367, 6227, 12713, 17723, 43589, 88991, 124061, 165269, 230399, 470381, 1156883, 1612793, 3292667, 6089527, 6114953, 42626689, 42804671, 79163851, 225312499, 554146957, 1577187493, 2929062487, 20503437409]

約数ペア:

[(1, 20503437409), (7, 2929062487), (13, 1577187493), (37, 554146957), (91, 225312499), (259, 79163851), (479, 42804671), (481, 42626689), (3353, 6114953), (3367, 6089527), (6227, 3292667), (12713, 1612793), (17723, 1156883), (43589, 470381), (88991, 230399), (124061, 165269)]