20736616

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20087384

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 251, 449, 502, 898, 1004, 1796, 2008, 3592, 5773, 10327, 11546, 20654, 23092, 41308, 46184, 82616, 112699, 225398, 450796, 901592, 2592077, 5184154, 10368308, 20736616]

約数ペア:

[(1, 20736616), (2, 10368308), (4, 5184154), (8, 2592077), (23, 901592), (46, 450796), (92, 225398), (184, 112699), (251, 82616), (449, 46184), (502, 41308), (898, 23092), (1004, 20654), (1796, 11546), (2008, 10327), (3592, 5773)]