20976536

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2243}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24262504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2243, 2338, 4486, 4676, 8972, 9352, 15701, 17944, 31402, 62804, 125608, 374581, 749162, 1498324, 2622067, 2996648, 5244134, 10488268, 20976536]

約数ペア:

[(1, 20976536), (2, 10488268), (4, 5244134), (7, 2996648), (8, 2622067), (14, 1498324), (28, 749162), (56, 374581), (167, 125608), (334, 62804), (668, 31402), (1169, 17944), (1336, 15701), (2243, 9352), (2338, 8972), (4486, 4676)]