20186851275

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{6047}}^1$

素因数の和:6501

約数の個数: 72

約数和(自身を含む): 37232866944

約数和(自身を除く): 17046015669

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 401, 555, 925, 1203, 1665, 2005, 2775, 3609, 6015, 6047, 8325, 10025, 14837, 18045, 18141, 30075, 30235, 44511, 54423, 74185, 90225, 90705, 133533, 151175, 222555, 223739, 272115, 370925, 453525, 667665, 671217, 1112775, 1118695, 1360575, 2013651, 2424847, 3338325, 3356085, 5593475, 7274541, 10068255, 12124235, 16780425, 21823623, 36372705, 50341275, 60621175, 89719339, 109118115, 181863525, 269158017, 448596695, 545590575, 807474051, 1345790085, 2242983475, 4037370255, 6728950425, 20186851275]

約数ペア:

[(1, 20186851275), (3, 6728950425), (5, 4037370255), (9, 2242983475), (15, 1345790085), (25, 807474051), (37, 545590575), (45, 448596695), (75, 269158017), (111, 181863525), (185, 109118115), (225, 89719339), (333, 60621175), (401, 50341275), (555, 36372705), (925, 21823623), (1203, 16780425), (1665, 12124235), (2005, 10068255), (2775, 7274541), (3609, 5593475), (6015, 3356085), (6047, 3338325), (8325, 2424847), (10025, 2013651), (14837, 1360575), (18045, 1118695), (18141, 1112775), (30075, 671217), (30235, 667665), (44511, 453525), (54423, 370925), (74185, 272115), (90225, 223739), (90705, 222555), (133533, 151175)]