20450773840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{16369}}^1$

素因数の和:16509

約数の個数: 160

約数和(自身を含む): 57291333120

約数和(自身を除く): 36840559280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 97, 112, 115, 140, 161, 184, 194, 230, 280, 322, 368, 388, 460, 485, 560, 644, 679, 776, 805, 920, 970, 1288, 1358, 1552, 1610, 1840, 1940, 2231, 2576, 2716, 3220, 3395, 3880, 4462, 5432, 6440, 6790, 7760, 8924, 10864, 11155, 12880, 13580, 15617, 16369, 17848, 22310, 27160, 31234, 32738, 35696, 44620, 54320, 62468, 65476, 78085, 81845, 89240, 114583, 124936, 130952, 156170, 163690, 178480, 229166, 249872, 261904, 312340, 327380, 376487, 458332, 572915, 624680, 654760, 752974, 916664, 1145830, 1249360, 1309520, 1505948, 1587793, 1833328, 1882435, 2291660, 2635409, 3011896, 3175586, 3764870, 4583320, 5270818, 6023792, 6351172, 7529740, 7938965, 9166640, 10541636, 11114551, 12702344, 13177045, 15059480, 15877930, 21083272, 22229102, 25404688, 26354090, 30118960, 31755860, 36519239, 42166544, 44458204, 52708180, 55572755, 63511720, 73038478, 88916408, 105416360, 111145510, 127023440, 146076956, 177832816, 182596195, 210832720, 222291020, 255634673, 292153912, 365192390, 444582040, 511269346, 584307824, 730384780, 889164080, 1022538692, 1278173365, 1460769560, 2045077384, 2556346730, 2921539120, 4090154768, 5112693460, 10225386920, 20450773840]

約数ペア:

[(1, 20450773840), (2, 10225386920), (4, 5112693460), (5, 4090154768), (7, 2921539120), (8, 2556346730), (10, 2045077384), (14, 1460769560), (16, 1278173365), (20, 1022538692), (23, 889164080), (28, 730384780), (35, 584307824), (40, 511269346), (46, 444582040), (56, 365192390), (70, 292153912), (80, 255634673), (92, 222291020), (97, 210832720), (112, 182596195), (115, 177832816), (140, 146076956), (161, 127023440), (184, 111145510), (194, 105416360), (230, 88916408), (280, 73038478), (322, 63511720), (368, 55572755), (388, 52708180), (460, 44458204), (485, 42166544), (560, 36519239), (644, 31755860), (679, 30118960), (776, 26354090), (805, 25404688), (920, 22229102), (970, 21083272), (1288, 15877930), (1358, 15059480), (1552, 13177045), (1610, 12702344), (1840, 11114551), (1940, 10541636), (2231, 9166640), (2576, 7938965), (2716, 7529740), (3220, 6351172), (3395, 6023792), (3880, 5270818), (4462, 4583320), (5432, 3764870), (6440, 3175586), (6790, 3011896), (7760, 2635409), (8924, 2291660), (10864, 1882435), (11155, 1833328), (12880, 1587793), (13580, 1505948), (15617, 1309520), (16369, 1249360), (17848, 1145830), (22310, 916664), (27160, 752974), (31234, 654760), (32738, 624680), (35696, 572915), (44620, 458332), (54320, 376487), (62468, 327380), (65476, 312340), (78085, 261904), (81845, 249872), (89240, 229166), (114583, 178480), (124936, 163690), (130952, 156170)]