2000990915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{20543}}^1$

素因数の和:20600

約数の個数: 48

約数和(自身を含む): 3147669504

約数和(自身を除く): 1146678589

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 121, 161, 253, 385, 605, 805, 847, 1265, 1771, 2783, 4235, 8855, 13915, 19481, 20543, 97405, 102715, 143801, 225973, 472489, 719005, 1129865, 1581811, 2362445, 2485703, 3307423, 5197379, 7909055, 12428515, 16537115, 17399921, 25986895, 36381653, 57171169, 86999605, 181908265, 285855845, 400198183, 2000990915]

約数ペア:

[(1, 2000990915), (5, 400198183), (7, 285855845), (11, 181908265), (23, 86999605), (35, 57171169), (55, 36381653), (77, 25986895), (115, 17399921), (121, 16537115), (161, 12428515), (253, 7909055), (385, 5197379), (605, 3307423), (805, 2485703), (847, 2362445), (1265, 1581811), (1771, 1129865), (2783, 719005), (4235, 472489), (8855, 225973), (13915, 143801), (19481, 102715), (20543, 97405)]