20163815144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{787}}^1\times {\mathrm{811}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 41462668800

約数和(自身を除く): 21298853656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 718, 787, 811, 1436, 1574, 1622, 2872, 3148, 3244, 3949, 6296, 6488, 7898, 8657, 8921, 15796, 17314, 17842, 31592, 34628, 35684, 69256, 71368, 282533, 291149, 565066, 582298, 638257, 1130132, 1164596, 1276514, 2260264, 2329192, 2553028, 3107863, 3202639, 5106056, 6215726, 6405278, 7020827, 12431452, 12810556, 14041654, 24862904, 25621112, 28083308, 56166616, 229134263, 458268526, 916537052, 1833074104, 2520476893, 5040953786, 10081907572, 20163815144]

約数ペア:

[(1, 20163815144), (2, 10081907572), (4, 5040953786), (8, 2520476893), (11, 1833074104), (22, 916537052), (44, 458268526), (88, 229134263), (359, 56166616), (718, 28083308), (787, 25621112), (811, 24862904), (1436, 14041654), (1574, 12810556), (1622, 12431452), (2872, 7020827), (3148, 6405278), (3244, 6215726), (3949, 5106056), (6296, 3202639), (6488, 3107863), (7898, 2553028), (8657, 2329192), (8921, 2260264), (15796, 1276514), (17314, 1164596), (17842, 1130132), (31592, 638257), (34628, 582298), (35684, 565066), (69256, 291149), (71368, 282533)]