20520512

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10343}}^1$

素因数の和:10386

約数の個数: 28

約数和(自身を含む): 42038016

約数和(自身を除く): 21517504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10343, 20686, 41372, 82744, 165488, 320633, 330976, 641266, 661952, 1282532, 2565064, 5130128, 10260256, 20520512]

約数ペア:

[(1, 20520512), (2, 10260256), (4, 5130128), (8, 2565064), (16, 1282532), (31, 661952), (32, 641266), (62, 330976), (64, 320633), (124, 165488), (248, 82744), (496, 41372), (992, 20686), (1984, 10343)]