20952768

素因数分解:

$2^6\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1865

約数の個数: 56

約数和(自身を含む): 56377840

約数和(自身を除く): 35425072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 183, 192, 244, 366, 488, 732, 976, 1464, 1789, 1952, 2928, 3578, 3904, 5367, 5856, 7156, 10734, 11712, 14312, 21468, 28624, 42936, 57248, 85872, 109129, 114496, 171744, 218258, 327387, 343488, 436516, 654774, 873032, 1309548, 1746064, 2619096, 3492128, 5238192, 6984256, 10476384, 20952768]

約数ペア:

[(1, 20952768), (2, 10476384), (3, 6984256), (4, 5238192), (6, 3492128), (8, 2619096), (12, 1746064), (16, 1309548), (24, 873032), (32, 654774), (48, 436516), (61, 343488), (64, 327387), (96, 218258), (122, 171744), (183, 114496), (192, 109129), (244, 85872), (366, 57248), (488, 42936), (732, 28624), (976, 21468), (1464, 14312), (1789, 11712), (1952, 10734), (2928, 7156), (3578, 5856), (3904, 5367)]