20971536

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6521}}^1$

素因数の和:6599

約数の個数: 40

約数和(自身を含む): 54993504

約数和(自身を除く): 34021968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6521, 13042, 19563, 26084, 39126, 52168, 78252, 104336, 156504, 313008, 436907, 873814, 1310721, 1747628, 2621442, 3495256, 5242884, 6990512, 10485768, 20971536]

約数ペア:

[(1, 20971536), (2, 10485768), (3, 6990512), (4, 5242884), (6, 3495256), (8, 2621442), (12, 1747628), (16, 1310721), (24, 873814), (48, 436907), (67, 313008), (134, 156504), (201, 104336), (268, 78252), (402, 52168), (536, 39126), (804, 26084), (1072, 19563), (1608, 13042), (3216, 6521)]