20185787640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{25717}}^1$

素因数の和:25973

約数の個数: 128

約数和(自身を含む): 62809528320

約数和(自身を除く): 42623740680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 211, 248, 310, 372, 422, 465, 620, 633, 744, 844, 930, 1055, 1240, 1266, 1688, 1860, 2110, 2532, 3165, 3720, 4220, 5064, 6330, 6541, 8440, 12660, 13082, 19623, 25320, 25717, 26164, 32705, 39246, 51434, 52328, 65410, 77151, 78492, 98115, 102868, 128585, 130820, 154302, 156984, 196230, 205736, 257170, 261640, 308604, 385755, 392460, 514340, 617208, 771510, 784920, 797227, 1028680, 1543020, 1594454, 2391681, 3086040, 3188908, 3986135, 4783362, 5426287, 6377816, 7972270, 9566724, 10852574, 11958405, 15944540, 16278861, 19133448, 21705148, 23916810, 27131435, 31889080, 32557722, 43410296, 47833620, 54262870, 65115444, 81394305, 95667240, 108525740, 130230888, 162788610, 168214897, 217051480, 325577220, 336429794, 504644691, 651154440, 672859588, 841074485, 1009289382, 1345719176, 1682148970, 2018578764, 2523223455, 3364297940, 4037157528, 5046446910, 6728595880, 10092893820, 20185787640]

約数ペア:

[(1, 20185787640), (2, 10092893820), (3, 6728595880), (4, 5046446910), (5, 4037157528), (6, 3364297940), (8, 2523223455), (10, 2018578764), (12, 1682148970), (15, 1345719176), (20, 1009289382), (24, 841074485), (30, 672859588), (31, 651154440), (40, 504644691), (60, 336429794), (62, 325577220), (93, 217051480), (120, 168214897), (124, 162788610), (155, 130230888), (186, 108525740), (211, 95667240), (248, 81394305), (310, 65115444), (372, 54262870), (422, 47833620), (465, 43410296), (620, 32557722), (633, 31889080), (744, 27131435), (844, 23916810), (930, 21705148), (1055, 19133448), (1240, 16278861), (1266, 15944540), (1688, 11958405), (1860, 10852574), (2110, 9566724), (2532, 7972270), (3165, 6377816), (3720, 5426287), (4220, 4783362), (5064, 3986135), (6330, 3188908), (6541, 3086040), (8440, 2391681), (12660, 1594454), (13082, 1543020), (19623, 1028680), (25320, 797227), (25717, 784920), (26164, 771510), (32705, 617208), (39246, 514340), (51434, 392460), (52328, 385755), (65410, 308604), (77151, 261640), (78492, 257170), (98115, 205736), (102868, 196230), (128585, 156984), (130820, 154302)]