20854432028

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1\times {\mathrm{2819}}^1$

素因数の和:3458

約数の個数: 48

約数和(自身を含む): 38385930240

約数和(自身を除く): 17531498212

約数列:

[1, 2, 4, 23, 46, 92, 191, 382, 421, 764, 842, 1684, 2819, 4393, 5638, 8786, 9683, 11276, 17572, 19366, 38732, 64837, 80411, 129674, 160822, 259348, 321644, 538429, 1076858, 1186799, 1849453, 2153716, 2373598, 3698906, 4747196, 7397812, 12383867, 24767734, 27296377, 49535468, 54592754, 109185508, 226678609, 453357218, 906714436, 5213608007, 10427216014, 20854432028]

約数ペア:

[(1, 20854432028), (2, 10427216014), (4, 5213608007), (23, 906714436), (46, 453357218), (92, 226678609), (191, 109185508), (382, 54592754), (421, 49535468), (764, 27296377), (842, 24767734), (1684, 12383867), (2819, 7397812), (4393, 4747196), (5638, 3698906), (8786, 2373598), (9683, 2153716), (11276, 1849453), (17572, 1186799), (19366, 1076858), (38732, 538429), (64837, 321644), (80411, 259348), (129674, 160822)]