20820512

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38273}}^1$

素因数の和:38300

約数の個数: 24

約数和(自身を含む): 43402716

約数和(自身を除く): 22582204

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38273, 76546, 153092, 306184, 612368, 650641, 1224736, 1301282, 2602564, 5205128, 10410256, 20820512]

約数ペア:

[(1, 20820512), (2, 10410256), (4, 5205128), (8, 2602564), (16, 1301282), (17, 1224736), (32, 650641), (34, 612368), (68, 306184), (136, 153092), (272, 76546), (544, 38273)]