20735704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2333}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 42852240

約数和(自身を除く): 22116536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2333, 4444, 4666, 8888, 9332, 18664, 25663, 51326, 102652, 205304, 235633, 471266, 942532, 1885064, 2591963, 5183926, 10367852, 20735704]

約数ペア:

[(1, 20735704), (2, 10367852), (4, 5183926), (8, 2591963), (11, 1885064), (22, 942532), (44, 471266), (88, 235633), (101, 205304), (202, 102652), (404, 51326), (808, 25663), (1111, 18664), (2222, 9332), (2333, 8888), (4444, 4666)]