20067992

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4909}}^1$

素因数の和:4995

約数の個数: 32

約数和(自身を含む): 43600800

約数和(自身を除く): 23532808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4909, 9818, 19636, 34363, 39272, 68726, 137452, 274904, 358357, 716714, 1433428, 2508499, 2866856, 5016998, 10033996, 20067992]

約数ペア:

[(1, 20067992), (2, 10033996), (4, 5016998), (7, 2866856), (8, 2508499), (14, 1433428), (28, 716714), (56, 358357), (73, 274904), (146, 137452), (292, 68726), (511, 39272), (584, 34363), (1022, 19636), (2044, 9818), (4088, 4909)]