20423776

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10463}}^1$

素因数の和:10534

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 20448608

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10463, 20926, 41852, 83704, 167408, 334816, 638243, 1276486, 2552972, 5105944, 10211888, 20423776]

約数ペア:

[(1, 20423776), (2, 10211888), (4, 5105944), (8, 2552972), (16, 1276486), (32, 638243), (61, 334816), (122, 167408), (244, 83704), (488, 41852), (976, 20926), (1952, 10463)]