20026035

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 36224496

約数和(自身を除く): 16198461

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 251, 405, 591, 753, 985, 1255, 1773, 2259, 2955, 3765, 5319, 6777, 8865, 11295, 15957, 20331, 26595, 33885, 49447, 79785, 101655, 148341, 247235, 445023, 741705, 1335069, 2225115, 4005207, 6675345, 20026035]

約数ペア:

[(1, 20026035), (3, 6675345), (5, 4005207), (9, 2225115), (15, 1335069), (27, 741705), (45, 445023), (81, 247235), (135, 148341), (197, 101655), (251, 79785), (405, 49447), (591, 33885), (753, 26595), (985, 20331), (1255, 15957), (1773, 11295), (2259, 8865), (2955, 6777), (3765, 5319)]