16478420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117703}}^1$

素因数の和:117719

約数の個数: 24

約数和(自身を含む): 39548544

約数和(自身を除く): 23070124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117703, 235406, 470812, 588515, 823921, 1177030, 1647842, 2354060, 3295684, 4119605, 8239210, 16478420]

約数ペア:

[(1, 16478420), (2, 8239210), (4, 4119605), (5, 3295684), (7, 2354060), (10, 1647842), (14, 1177030), (20, 823921), (28, 588515), (35, 470812), (70, 235406), (140, 117703)]