20744709915

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1\times {\mathrm{20201}}^1$

素因数の和:20739

約数の個数: 32

約数和(自身を含む): 33450633216

約数和(自身を除く): 12705923301

約数列:

[1, 3, 5, 15, 223, 307, 669, 921, 1115, 1535, 3345, 4605, 20201, 60603, 68461, 101005, 205383, 303015, 342305, 1026915, 4504823, 6201707, 13514469, 18605121, 22524115, 31008535, 67572345, 93025605, 1382980661, 4148941983, 6914903305, 20744709915]

約数ペア:

[(1, 20744709915), (3, 6914903305), (5, 4148941983), (15, 1382980661), (223, 93025605), (307, 67572345), (669, 31008535), (921, 22524115), (1115, 18605121), (1535, 13514469), (3345, 6201707), (4605, 4504823), (20201, 1026915), (60603, 342305), (68461, 303015), (101005, 205383)]