20902260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5711}}^1$

素因数の和:5784

約数の個数: 48

約数和(自身を含む): 59496192

約数和(自身を除く): 38593932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5711, 11422, 17133, 22844, 28555, 34266, 57110, 68532, 85665, 114220, 171330, 342660, 348371, 696742, 1045113, 1393484, 1741855, 2090226, 3483710, 4180452, 5225565, 6967420, 10451130, 20902260]

約数ペア:

[(1, 20902260), (2, 10451130), (3, 6967420), (4, 5225565), (5, 4180452), (6, 3483710), (10, 2090226), (12, 1741855), (15, 1393484), (20, 1045113), (30, 696742), (60, 348371), (61, 342660), (122, 171330), (183, 114220), (244, 85665), (305, 68532), (366, 57110), (610, 34266), (732, 28555), (915, 22844), (1220, 17133), (1830, 11422), (3660, 5711)]