20007357516

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2492197}}^1$

素因数の和:2492430

約数の個数: 36

約数和(自身を含む): 50800964032

約数和(自身を除く): 30793606516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 4014, 8028, 2492197, 4984394, 7476591, 9968788, 14953182, 22429773, 29906364, 44859546, 89719092, 555759931, 1111519862, 1667279793, 2223039724, 3334559586, 5001839379, 6669119172, 10003678758, 20007357516]

約数ペア:

[(1, 20007357516), (2, 10003678758), (3, 6669119172), (4, 5001839379), (6, 3334559586), (9, 2223039724), (12, 1667279793), (18, 1111519862), (36, 555759931), (223, 89719092), (446, 44859546), (669, 29906364), (892, 22429773), (1338, 14953182), (2007, 9968788), (2676, 7476591), (4014, 4984394), (8028, 2492197)]