20787003664

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 49136855040

約数和(自身を除く): 28349851376

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 59, 92, 112, 118, 161, 184, 233, 236, 322, 368, 413, 466, 472, 587, 644, 826, 932, 944, 1174, 1288, 1357, 1631, 1652, 1864, 2348, 2576, 2714, 3262, 3304, 3728, 4109, 4696, 5359, 5428, 6524, 6608, 8218, 9392, 9499, 10718, 10856, 13048, 13501, 13747, 16436, 18998, 21436, 21712, 26096, 27002, 27494, 32872, 34633, 37513, 37996, 42872, 54004, 54988, 65744, 69266, 75026, 75992, 85744, 94507, 96229, 108008, 109976, 136771, 138532, 150052, 151984, 189014, 192458, 216016, 219952, 242431, 273542, 277064, 300104, 316181, 378028, 384916, 484862, 547084, 554128, 600208, 632362, 756056, 769832, 796559, 957397, 969724, 1094168, 1264724, 1512112, 1539664, 1593118, 1914794, 1939448, 2188336, 2213267, 2529448, 3145733, 3186236, 3829588, 3878896, 4426534, 5058896, 5575913, 6291466, 6372472, 7659176, 8069489, 8853068, 11151826, 12582932, 12744944, 15318352, 16138978, 17706136, 22020131, 22303652, 25165864, 32277956, 35412272, 44040262, 44607304, 50331728, 56486423, 64555912, 88080524, 89214608, 112972846, 129111824, 176161048, 185598247, 225945692, 352322096, 371196494, 451891384, 742392988, 903782768, 1299187729, 1484785976, 2598375458, 2969571952, 5196750916, 10393501832, 20787003664]

約数ペア:

[(1, 20787003664), (2, 10393501832), (4, 5196750916), (7, 2969571952), (8, 2598375458), (14, 1484785976), (16, 1299187729), (23, 903782768), (28, 742392988), (46, 451891384), (56, 371196494), (59, 352322096), (92, 225945692), (112, 185598247), (118, 176161048), (161, 129111824), (184, 112972846), (233, 89214608), (236, 88080524), (322, 64555912), (368, 56486423), (413, 50331728), (466, 44607304), (472, 44040262), (587, 35412272), (644, 32277956), (826, 25165864), (932, 22303652), (944, 22020131), (1174, 17706136), (1288, 16138978), (1357, 15318352), (1631, 12744944), (1652, 12582932), (1864, 11151826), (2348, 8853068), (2576, 8069489), (2714, 7659176), (3262, 6372472), (3304, 6291466), (3728, 5575913), (4109, 5058896), (4696, 4426534), (5359, 3878896), (5428, 3829588), (6524, 3186236), (6608, 3145733), (8218, 2529448), (9392, 2213267), (9499, 2188336), (10718, 1939448), (10856, 1914794), (13048, 1593118), (13501, 1539664), (13747, 1512112), (16436, 1264724), (18998, 1094168), (21436, 969724), (21712, 957397), (26096, 796559), (27002, 769832), (27494, 756056), (32872, 632362), (34633, 600208), (37513, 554128), (37996, 547084), (42872, 484862), (54004, 384916), (54988, 378028), (65744, 316181), (69266, 300104), (75026, 277064), (75992, 273542), (85744, 242431), (94507, 219952), (96229, 216016), (108008, 192458), (109976, 189014), (136771, 151984), (138532, 150052)]