20147856

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{24691}}^1$

素因数の和:24719

約数の個数: 40

約数和(自身を含む): 55112544

約数和(自身を除く): 34964688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 24691, 49382, 74073, 98764, 148146, 197528, 296292, 395056, 419747, 592584, 839494, 1185168, 1259241, 1678988, 2518482, 3357976, 5036964, 6715952, 10073928, 20147856]

約数ペア:

[(1, 20147856), (2, 10073928), (3, 6715952), (4, 5036964), (6, 3357976), (8, 2518482), (12, 1678988), (16, 1259241), (17, 1185168), (24, 839494), (34, 592584), (48, 419747), (51, 395056), (68, 296292), (102, 197528), (136, 148146), (204, 98764), (272, 74073), (408, 49382), (816, 24691)]