20170971208

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1\times {\mathrm{947}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 39178261440

約数和(自身を除く): 19007290232

約数列:

[1, 2, 4, 8, 37, 74, 148, 227, 296, 317, 454, 634, 908, 947, 1268, 1816, 1894, 2536, 3788, 7576, 8399, 11729, 16798, 23458, 33596, 35039, 46916, 67192, 70078, 71959, 93832, 140156, 143918, 214969, 280312, 287836, 300199, 429938, 575672, 600398, 859876, 1200796, 1719752, 2401592, 2662483, 5324966, 7953853, 10649932, 11107363, 15907706, 21299864, 22214726, 31815412, 44429452, 63630824, 68145173, 88858904, 136290346, 272580692, 545161384, 2521371401, 5042742802, 10085485604, 20170971208]

約数ペア:

[(1, 20170971208), (2, 10085485604), (4, 5042742802), (8, 2521371401), (37, 545161384), (74, 272580692), (148, 136290346), (227, 88858904), (296, 68145173), (317, 63630824), (454, 44429452), (634, 31815412), (908, 22214726), (947, 21299864), (1268, 15907706), (1816, 11107363), (1894, 10649932), (2536, 7953853), (3788, 5324966), (7576, 2662483), (8399, 2401592), (11729, 1719752), (16798, 1200796), (23458, 859876), (33596, 600398), (35039, 575672), (46916, 429938), (67192, 300199), (70078, 287836), (71959, 280312), (93832, 214969), (140156, 143918)]