20674472

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 48574260

約数和(自身を除く): 27899788

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4057, 5096, 8114, 16228, 28399, 32456, 52741, 56798, 105482, 113596, 198793, 210964, 227192, 369187, 397586, 421928, 738374, 795172, 1476748, 1590344, 2584309, 2953496, 5168618, 10337236, 20674472]

約数ペア:

[(1, 20674472), (2, 10337236), (4, 5168618), (7, 2953496), (8, 2584309), (13, 1590344), (14, 1476748), (26, 795172), (28, 738374), (49, 421928), (52, 397586), (56, 369187), (91, 227192), (98, 210964), (104, 198793), (182, 113596), (196, 105482), (364, 56798), (392, 52741), (637, 32456), (728, 28399), (1274, 16228), (2548, 8114), (4057, 5096)]