20773480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 57974400

約数和(自身を除く): 37200920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 439, 455, 520, 676, 728, 845, 878, 910, 1183, 1352, 1690, 1756, 1820, 2195, 2366, 3073, 3380, 3512, 3640, 4390, 4732, 5707, 5915, 6146, 6760, 8780, 9464, 11414, 11830, 12292, 15365, 17560, 22828, 23660, 24584, 28535, 30730, 39949, 45656, 47320, 57070, 61460, 74191, 79898, 114140, 122920, 148382, 159796, 199745, 228280, 296764, 319592, 370955, 399490, 519337, 593528, 741910, 798980, 1038674, 1483820, 1597960, 2077348, 2596685, 2967640, 4154696, 5193370, 10386740, 20773480]

約数ペア:

[(1, 20773480), (2, 10386740), (4, 5193370), (5, 4154696), (7, 2967640), (8, 2596685), (10, 2077348), (13, 1597960), (14, 1483820), (20, 1038674), (26, 798980), (28, 741910), (35, 593528), (40, 519337), (52, 399490), (56, 370955), (65, 319592), (70, 296764), (91, 228280), (104, 199745), (130, 159796), (140, 148382), (169, 122920), (182, 114140), (260, 79898), (280, 74191), (338, 61460), (364, 57070), (439, 47320), (455, 45656), (520, 39949), (676, 30730), (728, 28535), (845, 24584), (878, 23660), (910, 22828), (1183, 17560), (1352, 15365), (1690, 12292), (1756, 11830), (1820, 11414), (2195, 9464), (2366, 8780), (3073, 6760), (3380, 6146), (3512, 5915), (3640, 5707), (4390, 4732)]