15720221552

素因数分解:

$2^4\times 7^2\times {\mathrm{20051303}}^1$

素因数の和:20051325

約数の個数: 30

約数和(自身を含む): 35430654168

約数和(自身を除く): 19710432616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 20051303, 40102606, 80205212, 140359121, 160410424, 280718242, 320820848, 561436484, 982513847, 1122872968, 1965027694, 2245745936, 3930055388, 7860110776, 15720221552]

約数ペア:

[(1, 15720221552), (2, 7860110776), (4, 3930055388), (7, 2245745936), (8, 1965027694), (14, 1122872968), (16, 982513847), (28, 561436484), (49, 320820848), (56, 280718242), (98, 160410424), (112, 140359121), (196, 80205212), (392, 40102606), (784, 20051303)]