20188879504

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 40640434560

約数和(自身を除く): 20451555056

約数列:

[1, 2, 4, 8, 16, 37, 74, 131, 148, 262, 296, 439, 524, 592, 593, 878, 1048, 1186, 1756, 2096, 2372, 3512, 4744, 4847, 7024, 9488, 9694, 16243, 19388, 21941, 32486, 38776, 43882, 57509, 64972, 77552, 77683, 87764, 115018, 129944, 155366, 175528, 230036, 259888, 260327, 310732, 351056, 460072, 520654, 621464, 920144, 1041308, 1242928, 2082616, 2127833, 2874271, 4165232, 4255666, 5748542, 8511332, 9632099, 11497084, 17022664, 19264198, 22994168, 34045328, 34102837, 38528396, 45988336, 68205674, 77056792, 136411348, 154113584, 272822696, 545645392, 1261804969, 2523609938, 5047219876, 10094439752, 20188879504]

約数ペア:

[(1, 20188879504), (2, 10094439752), (4, 5047219876), (8, 2523609938), (16, 1261804969), (37, 545645392), (74, 272822696), (131, 154113584), (148, 136411348), (262, 77056792), (296, 68205674), (439, 45988336), (524, 38528396), (592, 34102837), (593, 34045328), (878, 22994168), (1048, 19264198), (1186, 17022664), (1756, 11497084), (2096, 9632099), (2372, 8511332), (3512, 5748542), (4744, 4255666), (4847, 4165232), (7024, 2874271), (9488, 2127833), (9694, 2082616), (16243, 1242928), (19388, 1041308), (21941, 920144), (32486, 621464), (38776, 520654), (43882, 460072), (57509, 351056), (64972, 310732), (77552, 260327), (77683, 259888), (87764, 230036), (115018, 175528), (129944, 155366)]