20199703210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1591

約数の個数: 64

約数和(自身を含む): 37972177920

約数和(自身を除く): 17772474710

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 487, 785, 911, 974, 1570, 1822, 2435, 4553, 4555, 4870, 9106, 9110, 14123, 22765, 26419, 28246, 45530, 52838, 70615, 76459, 132095, 141230, 143027, 152918, 264190, 286054, 382295, 443657, 715135, 764590, 887314, 1430270, 2217311, 2218285, 4147783, 4434622, 4436570, 8295566, 11086555, 12866053, 20738915, 22173110, 25732106, 41477830, 64330265, 69654149, 128660530, 139308298, 348270745, 696541490, 2019970321, 4039940642, 10099851605, 20199703210]

約数ペア:

[(1, 20199703210), (2, 10099851605), (5, 4039940642), (10, 2019970321), (29, 696541490), (58, 348270745), (145, 139308298), (157, 128660530), (290, 69654149), (314, 64330265), (487, 41477830), (785, 25732106), (911, 22173110), (974, 20738915), (1570, 12866053), (1822, 11086555), (2435, 8295566), (4553, 4436570), (4555, 4434622), (4870, 4147783), (9106, 2218285), (9110, 2217311), (14123, 1430270), (22765, 887314), (26419, 764590), (28246, 715135), (45530, 443657), (52838, 382295), (70615, 286054), (76459, 264190), (132095, 152918), (141230, 143027)]