20275930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17826470

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 503, 695, 1006, 1390, 2515, 4031, 5030, 8062, 14587, 20155, 29174, 40310, 69917, 72935, 139834, 145870, 349585, 699170, 2027593, 4055186, 10137965, 20275930]

約数ペア:

[(1, 20275930), (2, 10137965), (5, 4055186), (10, 2027593), (29, 699170), (58, 349585), (139, 145870), (145, 139834), (278, 72935), (290, 69917), (503, 40310), (695, 29174), (1006, 20155), (1390, 14587), (2515, 8062), (4031, 5030)]