20147756580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{62219}}^1$

素因数の和:62498

約数の個数: 144

約数和(自身を含む): 70118455680

約数和(自身を除く): 49970699100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 514, 630, 771, 1028, 1260, 1285, 1542, 1799, 2313, 2570, 3084, 3598, 3855, 4626, 5140, 5397, 7196, 7710, 8995, 9252, 10794, 11565, 15420, 16191, 17990, 21588, 23130, 26985, 32382, 35980, 46260, 53970, 62219, 64764, 80955, 107940, 124438, 161910, 186657, 248876, 311095, 323820, 373314, 435533, 559971, 622190, 746628, 871066, 933285, 1119942, 1244380, 1306599, 1742132, 1866570, 2177665, 2239884, 2613198, 2799855, 3733140, 3919797, 4355330, 5226396, 5599710, 6532995, 7839594, 8710660, 11199420, 13065990, 15679188, 15990283, 19598985, 26131980, 31980566, 39197970, 47970849, 63961132, 78395940, 79951415, 95941698, 111931981, 143912547, 159902830, 191883396, 223863962, 239854245, 287825094, 319805660, 335795943, 447727924, 479708490, 559659905, 575650188, 671591886, 719562735, 959416980, 1007387829, 1119319810, 1343183772, 1439125470, 1678979715, 2014775658, 2238639620, 2878250940, 3357959430, 4029551316, 5036939145, 6715918860, 10073878290, 20147756580]

約数ペア:

[(1, 20147756580), (2, 10073878290), (3, 6715918860), (4, 5036939145), (5, 4029551316), (6, 3357959430), (7, 2878250940), (9, 2238639620), (10, 2014775658), (12, 1678979715), (14, 1439125470), (15, 1343183772), (18, 1119319810), (20, 1007387829), (21, 959416980), (28, 719562735), (30, 671591886), (35, 575650188), (36, 559659905), (42, 479708490), (45, 447727924), (60, 335795943), (63, 319805660), (70, 287825094), (84, 239854245), (90, 223863962), (105, 191883396), (126, 159902830), (140, 143912547), (180, 111931981), (210, 95941698), (252, 79951415), (257, 78395940), (315, 63961132), (420, 47970849), (514, 39197970), (630, 31980566), (771, 26131980), (1028, 19598985), (1260, 15990283), (1285, 15679188), (1542, 13065990), (1799, 11199420), (2313, 8710660), (2570, 7839594), (3084, 6532995), (3598, 5599710), (3855, 5226396), (4626, 4355330), (5140, 3919797), (5397, 3733140), (7196, 2799855), (7710, 2613198), (8995, 2239884), (9252, 2177665), (10794, 1866570), (11565, 1742132), (15420, 1306599), (16191, 1244380), (17990, 1119942), (21588, 933285), (23130, 871066), (26985, 746628), (32382, 622190), (35980, 559971), (46260, 435533), (53970, 373314), (62219, 323820), (64764, 311095), (80955, 248876), (107940, 186657), (124438, 161910)]