20188623760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:1049

約数の個数: 160

約数和(自身を含む): 50075366400

約数和(自身を除く): 29886742640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 479, 491, 580, 592, 740, 958, 982, 1073, 1160, 1480, 1916, 1964, 2146, 2320, 2395, 2455, 2960, 3832, 3928, 4292, 4790, 4910, 5365, 7664, 7856, 8584, 9580, 9820, 10730, 13891, 14239, 17168, 17723, 18167, 19160, 19640, 21460, 27782, 28478, 35446, 36334, 38320, 39280, 42920, 55564, 56956, 69455, 70892, 71195, 72668, 85840, 88615, 90835, 111128, 113912, 138910, 141784, 142390, 145336, 177230, 181670, 222256, 227824, 235189, 277820, 283568, 284780, 290672, 354460, 363340, 470378, 513967, 526843, 555640, 569560, 708920, 726680, 940756, 1027934, 1053686, 1111280, 1139120, 1175945, 1417840, 1453360, 1881512, 2055868, 2107372, 2351890, 2569835, 2634215, 3763024, 4111736, 4214744, 4703780, 5139670, 5268430, 6820481, 8223472, 8429488, 8701993, 9407560, 10279340, 10536860, 13640962, 17403986, 18815120, 20558680, 21073720, 27281924, 34102405, 34807972, 41117360, 42147440, 43509965, 54563848, 68204810, 69615944, 87019930, 109127696, 136409620, 139231888, 174039860, 252357797, 272819240, 348079720, 504715594, 545638480, 696159440, 1009431188, 1261788985, 2018862376, 2523577970, 4037724752, 5047155940, 10094311880, 20188623760]

約数ペア:

[(1, 20188623760), (2, 10094311880), (4, 5047155940), (5, 4037724752), (8, 2523577970), (10, 2018862376), (16, 1261788985), (20, 1009431188), (29, 696159440), (37, 545638480), (40, 504715594), (58, 348079720), (74, 272819240), (80, 252357797), (116, 174039860), (145, 139231888), (148, 136409620), (185, 109127696), (232, 87019930), (290, 69615944), (296, 68204810), (370, 54563848), (464, 43509965), (479, 42147440), (491, 41117360), (580, 34807972), (592, 34102405), (740, 27281924), (958, 21073720), (982, 20558680), (1073, 18815120), (1160, 17403986), (1480, 13640962), (1916, 10536860), (1964, 10279340), (2146, 9407560), (2320, 8701993), (2395, 8429488), (2455, 8223472), (2960, 6820481), (3832, 5268430), (3928, 5139670), (4292, 4703780), (4790, 4214744), (4910, 4111736), (5365, 3763024), (7664, 2634215), (7856, 2569835), (8584, 2351890), (9580, 2107372), (9820, 2055868), (10730, 1881512), (13891, 1453360), (14239, 1417840), (17168, 1175945), (17723, 1139120), (18167, 1111280), (19160, 1053686), (19640, 1027934), (21460, 940756), (27782, 726680), (28478, 708920), (35446, 569560), (36334, 555640), (38320, 526843), (39280, 513967), (42920, 470378), (55564, 363340), (56956, 354460), (69455, 290672), (70892, 284780), (71195, 283568), (72668, 277820), (85840, 235189), (88615, 227824), (90835, 222256), (111128, 181670), (113912, 177230), (138910, 145336), (141784, 142390)]