20199255692

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1319}}^1\times {\mathrm{7103}}^1$

素因数の和:8451

約数の個数: 72

約数和(自身を含む): 44898416640

約数和(自身を除く): 24699160948

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 1319, 2156, 2638, 5276, 7103, 9233, 14206, 14509, 18466, 28412, 29018, 36932, 49721, 58036, 64631, 78133, 99442, 101563, 129262, 156266, 198884, 203126, 258524, 312532, 348047, 406252, 546931, 696094, 710941, 1093862, 1392188, 1421882, 2187724, 2843764, 3828517, 7657034, 9368857, 15314068, 18737714, 37475428, 65581999, 103057427, 131163998, 206114854, 262327996, 412229708, 459073993, 721401989, 918147986, 1442803978, 1836295972, 2885607956, 5049813923, 10099627846, 20199255692]

約数ペア:

[(1, 20199255692), (2, 10099627846), (4, 5049813923), (7, 2885607956), (11, 1836295972), (14, 1442803978), (22, 918147986), (28, 721401989), (44, 459073993), (49, 412229708), (77, 262327996), (98, 206114854), (154, 131163998), (196, 103057427), (308, 65581999), (539, 37475428), (1078, 18737714), (1319, 15314068), (2156, 9368857), (2638, 7657034), (5276, 3828517), (7103, 2843764), (9233, 2187724), (14206, 1421882), (14509, 1392188), (18466, 1093862), (28412, 710941), (29018, 696094), (36932, 546931), (49721, 406252), (58036, 348047), (64631, 312532), (78133, 258524), (99442, 203126), (101563, 198884), (129262, 156266)]