20187704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148439}}^1$

素因数の和:148462

約数の個数: 16

約数和(自身を含む): 40078800

約数和(自身を除く): 19891096

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148439, 296878, 593756, 1187512, 2523463, 5046926, 10093852, 20187704]

約数ペア:

[(1, 20187704), (2, 10093852), (4, 5046926), (8, 2523463), (17, 1187512), (34, 593756), (68, 296878), (136, 148439)]