2020060905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:10022

約数の個数: 64

約数和(自身を含む): 3665018880

約数和(自身を除く): 1644957975

約数列:

[1, 3, 5, 15, 19, 23, 31, 57, 69, 93, 95, 115, 155, 285, 345, 437, 465, 589, 713, 1311, 1767, 2139, 2185, 2945, 3565, 6555, 8835, 9941, 10695, 13547, 29823, 40641, 49705, 67735, 149115, 188879, 203205, 228643, 308171, 566637, 685929, 924513, 944395, 1143215, 1540855, 2833185, 3429645, 4344217, 4622565, 5855249, 7087933, 13032651, 17565747, 21263799, 21721085, 29276245, 35439665, 65163255, 87828735, 106318995, 134670727, 404012181, 673353635, 2020060905]

約数ペア:

[(1, 2020060905), (3, 673353635), (5, 404012181), (15, 134670727), (19, 106318995), (23, 87828735), (31, 65163255), (57, 35439665), (69, 29276245), (93, 21721085), (95, 21263799), (115, 17565747), (155, 13032651), (285, 7087933), (345, 5855249), (437, 4622565), (465, 4344217), (589, 3429645), (713, 2833185), (1311, 1540855), (1767, 1143215), (2139, 944395), (2185, 924513), (2945, 685929), (3565, 566637), (6555, 308171), (8835, 228643), (9941, 203205), (10695, 188879), (13547, 149115), (29823, 67735), (40641, 49705)]