20177839955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1\times {\mathrm{31699}}^1$

素因数の和:33123

約数の個数: 32

約数和(自身を含む): 29823360000

約数和(自身を除く): 9645520045

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1399, 6995, 9793, 18187, 31699, 48965, 90935, 127309, 158495, 221893, 412087, 636545, 1109465, 2060435, 2884609, 14423045, 44346901, 221734505, 310428307, 576509713, 1552141535, 2882548565, 4035567991, 20177839955]

約数ペア:

[(1, 20177839955), (5, 4035567991), (7, 2882548565), (13, 1552141535), (35, 576509713), (65, 310428307), (91, 221734505), (455, 44346901), (1399, 14423045), (6995, 2884609), (9793, 2060435), (18187, 1109465), (31699, 636545), (48965, 412087), (90935, 221893), (127309, 158495)]