20338938

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:800

約数の個数: 40

約数和(自身を含む): 45859968

約数和(自身を除く): 25521030

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 563, 669, 1126, 1338, 1689, 2007, 3378, 4014, 5067, 6021, 10134, 12042, 15201, 18063, 30402, 36126, 45603, 91206, 125549, 251098, 376647, 753294, 1129941, 2259882, 3389823, 6779646, 10169469, 20338938]

約数ペア:

[(1, 20338938), (2, 10169469), (3, 6779646), (6, 3389823), (9, 2259882), (18, 1129941), (27, 753294), (54, 376647), (81, 251098), (162, 125549), (223, 91206), (446, 45603), (563, 36126), (669, 30402), (1126, 18063), (1338, 15201), (1689, 12042), (2007, 10134), (3378, 6021), (4014, 5067)]