2020123215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2901

約数の個数: 96

約数和(自身を含む): 4028424192

約数和(自身を除く): 2008300977

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 47, 55, 93, 99, 141, 155, 165, 235, 279, 341, 423, 465, 495, 517, 705, 1023, 1395, 1457, 1551, 1705, 2115, 2585, 2801, 3069, 4371, 4653, 5115, 7285, 7755, 8403, 13113, 14005, 15345, 16027, 21855, 23265, 25209, 30811, 42015, 48081, 65565, 80135, 86831, 92433, 126045, 131647, 144243, 154055, 240405, 260493, 277299, 394941, 434155, 462165, 658235, 721215, 781479, 955141, 1184823, 1302465, 1386495, 1448117, 1974705, 2865423, 3907395, 4081057, 4344351, 4775705, 5924115, 7240585, 8596269, 12243171, 13033053, 14327115, 20405285, 21721755, 36729513, 42981345, 44891627, 61215855, 65165265, 134674881, 183647565, 224458135, 404024643, 673374405, 2020123215]

約数ペア:

[(1, 2020123215), (3, 673374405), (5, 404024643), (9, 224458135), (11, 183647565), (15, 134674881), (31, 65165265), (33, 61215855), (45, 44891627), (47, 42981345), (55, 36729513), (93, 21721755), (99, 20405285), (141, 14327115), (155, 13033053), (165, 12243171), (235, 8596269), (279, 7240585), (341, 5924115), (423, 4775705), (465, 4344351), (495, 4081057), (517, 3907395), (705, 2865423), (1023, 1974705), (1395, 1448117), (1457, 1386495), (1551, 1302465), (1705, 1184823), (2115, 955141), (2585, 781479), (2801, 721215), (3069, 658235), (4371, 462165), (4653, 434155), (5115, 394941), (7285, 277299), (7755, 260493), (8403, 240405), (13113, 154055), (14005, 144243), (15345, 131647), (16027, 126045), (21855, 92433), (23265, 86831), (25209, 80135), (30811, 65565), (42015, 48081)]