20057380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6229}}^1$

素因数の和:6268

約数の個数: 48

約数和(自身を含む): 50238720

約数和(自身を除く): 30181340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6229, 12458, 24916, 31145, 43603, 62290, 87206, 124580, 143267, 174412, 218015, 286534, 436030, 573068, 716335, 872060, 1002869, 1432670, 2005738, 2865340, 4011476, 5014345, 10028690, 20057380]

約数ペア:

[(1, 20057380), (2, 10028690), (4, 5014345), (5, 4011476), (7, 2865340), (10, 2005738), (14, 1432670), (20, 1002869), (23, 872060), (28, 716335), (35, 573068), (46, 436030), (70, 286534), (92, 218015), (115, 174412), (140, 143267), (161, 124580), (230, 87206), (322, 62290), (460, 43603), (644, 31145), (805, 24916), (1610, 12458), (3220, 6229)]