20752245

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6883}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 36512736

約数和(自身を除く): 15760491

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6883, 20649, 34415, 61947, 103245, 309735, 461161, 1383483, 2305805, 4150449, 6917415, 20752245]

約数ペア:

[(1, 20752245), (3, 6917415), (5, 4150449), (9, 2305805), (15, 1383483), (45, 461161), (67, 309735), (201, 103245), (335, 61947), (603, 34415), (1005, 20649), (3015, 6883)]