20968272

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 66079104

約数和(自身を除く): 45110832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 487, 552, 598, 624, 828, 897, 936, 974, 1104, 1196, 1461, 1656, 1794, 1872, 1948, 2392, 2691, 2922, 3312, 3588, 3896, 4383, 4784, 5382, 5844, 6331, 7176, 7792, 8766, 10764, 11201, 11688, 12662, 14352, 17532, 18993, 21528, 22402, 23376, 25324, 33603, 35064, 37986, 43056, 44804, 50648, 56979, 67206, 70128, 75972, 89608, 100809, 101296, 113958, 134412, 145613, 151944, 179216, 201618, 227916, 268824, 291226, 303888, 403236, 436839, 455832, 537648, 582452, 806472, 873678, 911664, 1164904, 1310517, 1612944, 1747356, 2329808, 2621034, 3494712, 5242068, 6989424, 10484136, 20968272]

約数ペア:

[(1, 20968272), (2, 10484136), (3, 6989424), (4, 5242068), (6, 3494712), (8, 2621034), (9, 2329808), (12, 1747356), (13, 1612944), (16, 1310517), (18, 1164904), (23, 911664), (24, 873678), (26, 806472), (36, 582452), (39, 537648), (46, 455832), (48, 436839), (52, 403236), (69, 303888), (72, 291226), (78, 268824), (92, 227916), (104, 201618), (117, 179216), (138, 151944), (144, 145613), (156, 134412), (184, 113958), (207, 101296), (208, 100809), (234, 89608), (276, 75972), (299, 70128), (312, 67206), (368, 56979), (414, 50648), (468, 44804), (487, 43056), (552, 37986), (598, 35064), (624, 33603), (828, 25324), (897, 23376), (936, 22402), (974, 21528), (1104, 18993), (1196, 17532), (1461, 14352), (1656, 12662), (1794, 11688), (1872, 11201), (1948, 10764), (2392, 8766), (2691, 7792), (2922, 7176), (3312, 6331), (3588, 5844), (3896, 5382), (4383, 4784)]