20413092

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 54656000

約数和(自身を除く): 34242908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 487, 499, 974, 998, 1461, 1497, 1948, 1996, 2922, 2994, 3409, 3493, 5844, 5988, 6818, 6986, 10227, 10479, 13636, 13972, 20454, 20958, 40908, 41916, 243013, 486026, 729039, 972052, 1458078, 1701091, 2916156, 3402182, 5103273, 6804364, 10206546, 20413092]

約数ペア:

[(1, 20413092), (2, 10206546), (3, 6804364), (4, 5103273), (6, 3402182), (7, 2916156), (12, 1701091), (14, 1458078), (21, 972052), (28, 729039), (42, 486026), (84, 243013), (487, 41916), (499, 40908), (974, 20958), (998, 20454), (1461, 13972), (1497, 13636), (1948, 10479), (1996, 10227), (2922, 6986), (2994, 6818), (3409, 5988), (3493, 5844)]