20805216384

素因数分解:

$2^7\times 3^1\times {\mathrm{1949}}^1\times {\mathrm{27799}}^1$

素因数の和:29765

約数の個数: 64

約数和(自身を含む): 55294200000

約数和(自身を除く): 34488983616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1949, 3898, 5847, 7796, 11694, 15592, 23388, 27799, 31184, 46776, 55598, 62368, 83397, 93552, 111196, 124736, 166794, 187104, 222392, 249472, 333588, 374208, 444784, 667176, 748416, 889568, 1334352, 1779136, 2668704, 3558272, 5337408, 10674816, 54180251, 108360502, 162540753, 216721004, 325081506, 433442008, 650163012, 866884016, 1300326024, 1733768032, 2600652048, 3467536064, 5201304096, 6935072128, 10402608192, 20805216384]

約数ペア:

[(1, 20805216384), (2, 10402608192), (3, 6935072128), (4, 5201304096), (6, 3467536064), (8, 2600652048), (12, 1733768032), (16, 1300326024), (24, 866884016), (32, 650163012), (48, 433442008), (64, 325081506), (96, 216721004), (128, 162540753), (192, 108360502), (384, 54180251), (1949, 10674816), (3898, 5337408), (5847, 3558272), (7796, 2668704), (11694, 1779136), (15592, 1334352), (23388, 889568), (27799, 748416), (31184, 667176), (46776, 444784), (55598, 374208), (62368, 333588), (83397, 249472), (93552, 222392), (111196, 187104), (124736, 166794)]