20163720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1487}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 61067520

約数和(自身を除く): 40903800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1487, 1695, 2260, 2712, 2974, 3390, 4461, 4520, 5948, 6780, 7435, 8922, 11896, 13560, 14870, 17844, 22305, 29740, 35688, 44610, 59480, 89220, 168031, 178440, 336062, 504093, 672124, 840155, 1008186, 1344248, 1680310, 2016372, 2520465, 3360620, 4032744, 5040930, 6721240, 10081860, 20163720]

約数ペア:

[(1, 20163720), (2, 10081860), (3, 6721240), (4, 5040930), (5, 4032744), (6, 3360620), (8, 2520465), (10, 2016372), (12, 1680310), (15, 1344248), (20, 1008186), (24, 840155), (30, 672124), (40, 504093), (60, 336062), (113, 178440), (120, 168031), (226, 89220), (339, 59480), (452, 44610), (565, 35688), (678, 29740), (904, 22305), (1130, 17844), (1356, 14870), (1487, 13560), (1695, 11896), (2260, 8922), (2712, 7435), (2974, 6780), (3390, 5948), (4461, 4520)]