20077568

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2801}}^1$

素因数の和:2828

約数の個数: 44

約数和(自身を含む): 45885552

約数和(自身を除く): 25807984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2801, 3584, 5602, 7168, 11204, 19607, 22408, 39214, 44816, 78428, 89632, 156856, 179264, 313712, 358528, 627424, 717056, 1254848, 1434112, 2509696, 2868224, 5019392, 10038784, 20077568]

約数ペア:

[(1, 20077568), (2, 10038784), (4, 5019392), (7, 2868224), (8, 2509696), (14, 1434112), (16, 1254848), (28, 717056), (32, 627424), (56, 358528), (64, 313712), (112, 179264), (128, 156856), (224, 89632), (256, 78428), (448, 44816), (512, 39214), (896, 22408), (1024, 19607), (1792, 11204), (2801, 7168), (3584, 5602)]