20752740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38431}}^1$

素因数の和:38449

約数の個数: 48

約数和(自身を含む): 64565760

約数和(自身を除く): 43813020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38431, 76862, 115293, 153724, 192155, 230586, 345879, 384310, 461172, 576465, 691758, 768620, 1037637, 1152930, 1383516, 1729395, 2075274, 2305860, 3458790, 4150548, 5188185, 6917580, 10376370, 20752740]

約数ペア:

[(1, 20752740), (2, 10376370), (3, 6917580), (4, 5188185), (5, 4150548), (6, 3458790), (9, 2305860), (10, 2075274), (12, 1729395), (15, 1383516), (18, 1152930), (20, 1037637), (27, 768620), (30, 691758), (36, 576465), (45, 461172), (54, 384310), (60, 345879), (90, 230586), (108, 192155), (135, 153724), (180, 115293), (270, 76862), (540, 38431)]