20547972

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 33615228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3119, 3294, 6238, 6588, 9357, 12476, 18714, 28071, 37428, 56142, 84213, 112284, 168426, 190259, 336852, 380518, 570777, 761036, 1141554, 1712331, 2283108, 3424662, 5136993, 6849324, 10273986, 20547972]

約数ペア:

[(1, 20547972), (2, 10273986), (3, 6849324), (4, 5136993), (6, 3424662), (9, 2283108), (12, 1712331), (18, 1141554), (27, 761036), (36, 570777), (54, 380518), (61, 336852), (108, 190259), (122, 168426), (183, 112284), (244, 84213), (366, 56142), (549, 37428), (732, 28071), (1098, 18714), (1647, 12476), (2196, 9357), (3119, 6588), (3294, 6238)]