20961304

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28793}}^1$

素因数の和:28819

約数の個数: 32

約数和(自身を含む): 48373920

約数和(自身を除く): 27412616

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28793, 57586, 115172, 201551, 230344, 374309, 403102, 748618, 806204, 1497236, 1612408, 2620163, 2994472, 5240326, 10480652, 20961304]

約数ペア:

[(1, 20961304), (2, 10480652), (4, 5240326), (7, 2994472), (8, 2620163), (13, 1612408), (14, 1497236), (26, 806204), (28, 748618), (52, 403102), (56, 374309), (91, 230344), (104, 201551), (182, 115172), (364, 57586), (728, 28793)]