20017844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 44169216

約数和(自身を除く): 24151372

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 631, 721, 1133, 1262, 1442, 2266, 2524, 2884, 4417, 4532, 6941, 7931, 8834, 13882, 15862, 17668, 27764, 31724, 48587, 64993, 97174, 129986, 194348, 259972, 454951, 714923, 909902, 1429846, 1819804, 2859692, 5004461, 10008922, 20017844]

約数ペア:

[(1, 20017844), (2, 10008922), (4, 5004461), (7, 2859692), (11, 1819804), (14, 1429846), (22, 909902), (28, 714923), (44, 454951), (77, 259972), (103, 194348), (154, 129986), (206, 97174), (308, 64993), (412, 48587), (631, 31724), (721, 27764), (1133, 17668), (1262, 15862), (1442, 13882), (2266, 8834), (2524, 7931), (2884, 6941), (4417, 4532)]