20147248624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74070767}}^1$

素因数の和:74070792

約数の個数: 20

約数和(自身を含む): 41331488544

約数和(自身を除く): 21184239920

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74070767, 148141534, 296283068, 592566136, 1185132272, 1259203039, 2518406078, 5036812156, 10073624312, 20147248624]

約数ペア:

[(1, 20147248624), (2, 10073624312), (4, 5036812156), (8, 2518406078), (16, 1259203039), (17, 1185132272), (34, 592566136), (68, 296283068), (136, 148141534), (272, 74070767)]