201617980

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{21773}}^1$

素因数の和:22245

約数の個数: 24

約数和(自身を含む): 424331712

約数和(自身を除く): 222713732

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 9260, 21773, 43546, 87092, 108865, 217730, 435460, 10080899, 20161798, 40323596, 50404495, 100808990, 201617980]

約数ペア:

[(1, 201617980), (2, 100808990), (4, 50404495), (5, 40323596), (10, 20161798), (20, 10080899), (463, 435460), (926, 217730), (1852, 108865), (2315, 87092), (4630, 43546), (9260, 21773)]