2020235945

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8689}}^1$

素因数の和:8794

約数の個数: 48

約数和(自身を含む): 3078971280

約数和(自身を除く): 1058735335

約数列:

[1, 5, 7, 13, 35, 49, 65, 73, 91, 245, 365, 455, 511, 637, 949, 2555, 3185, 3577, 4745, 6643, 8689, 17885, 33215, 43445, 46501, 60823, 112957, 232505, 304115, 425761, 564785, 634297, 790699, 2128805, 3171485, 3953495, 4440079, 5534893, 8245861, 22200395, 27674465, 31080553, 41229305, 57721027, 155402765, 288605135, 404047189, 2020235945]

約数ペア:

[(1, 2020235945), (5, 404047189), (7, 288605135), (13, 155402765), (35, 57721027), (49, 41229305), (65, 31080553), (73, 27674465), (91, 22200395), (245, 8245861), (365, 5534893), (455, 4440079), (511, 3953495), (637, 3171485), (949, 2128805), (2555, 790699), (3185, 634297), (3577, 564785), (4745, 425761), (6643, 304115), (8689, 232505), (17885, 112957), (33215, 60823), (43445, 46501)]