20193017975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{38377}}^1$

素因数の和:40019

約数の個数: 24

約数和(自身を含む): 26982804240

約数和(自身を除く): 6789786265

約数列:

[1, 5, 13, 25, 65, 325, 1619, 8095, 21047, 38377, 40475, 105235, 191885, 498901, 526175, 959425, 2494505, 12472525, 62132363, 310661815, 807720719, 1553309075, 4038603595, 20193017975]

約数ペア:

[(1, 20193017975), (5, 4038603595), (13, 1553309075), (25, 807720719), (65, 310661815), (325, 62132363), (1619, 12472525), (8095, 2494505), (21047, 959425), (38377, 526175), (40475, 498901), (105235, 191885)]