20869552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 44372160

約数和(自身を除く): 23502608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 283, 419, 566, 838, 1132, 1676, 2264, 3113, 3352, 4528, 4609, 6226, 6704, 9218, 12452, 18436, 24904, 36872, 49808, 73744, 118577, 237154, 474308, 948616, 1304347, 1897232, 2608694, 5217388, 10434776, 20869552]

約数ペア:

[(1, 20869552), (2, 10434776), (4, 5217388), (8, 2608694), (11, 1897232), (16, 1304347), (22, 948616), (44, 474308), (88, 237154), (176, 118577), (283, 73744), (419, 49808), (566, 36872), (838, 24904), (1132, 18436), (1676, 12452), (2264, 9218), (3113, 6704), (3352, 6226), (4528, 4609)]