20170356490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{25391}}^1$

素因数の和:25567

約数の個数: 64

約数和(自身を含む): 39599331840

約数和(自身を除く): 19428975350

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 113, 185, 190, 226, 370, 565, 703, 1130, 1406, 2147, 3515, 4181, 4294, 7030, 8362, 10735, 20905, 21470, 25391, 41810, 50782, 79439, 126955, 158878, 253910, 397195, 482429, 794390, 939467, 964858, 1878934, 2412145, 2869183, 4697335, 4824290, 5738366, 9394670, 14345915, 17849873, 28691830, 35699746, 54514477, 89249365, 106159771, 109028954, 178498730, 212319542, 272572385, 530798855, 545144770, 1061597710, 2017035649, 4034071298, 10085178245, 20170356490]

約数ペア:

[(1, 20170356490), (2, 10085178245), (5, 4034071298), (10, 2017035649), (19, 1061597710), (37, 545144770), (38, 530798855), (74, 272572385), (95, 212319542), (113, 178498730), (185, 109028954), (190, 106159771), (226, 89249365), (370, 54514477), (565, 35699746), (703, 28691830), (1130, 17849873), (1406, 14345915), (2147, 9394670), (3515, 5738366), (4181, 4824290), (4294, 4697335), (7030, 2869183), (8362, 2412145), (10735, 1878934), (20905, 964858), (21470, 939467), (25391, 794390), (41810, 482429), (50782, 397195), (79439, 253910), (126955, 158878)]