20754198

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^2\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 47870160

約数和(自身を除く): 27115962

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 457, 522, 783, 841, 914, 1371, 1566, 1682, 2523, 2742, 4113, 5046, 7569, 8226, 12339, 13253, 15138, 22707, 24678, 26506, 39759, 45414, 79518, 119277, 238554, 357831, 384337, 715662, 768674, 1153011, 2306022, 3459033, 6918066, 10377099, 20754198]

約数ペア:

[(1, 20754198), (2, 10377099), (3, 6918066), (6, 3459033), (9, 2306022), (18, 1153011), (27, 768674), (29, 715662), (54, 384337), (58, 357831), (87, 238554), (174, 119277), (261, 79518), (457, 45414), (522, 39759), (783, 26506), (841, 24678), (914, 22707), (1371, 15138), (1566, 13253), (1682, 12339), (2523, 8226), (2742, 7569), (4113, 5046)]