20311896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 36297384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 1637, 2068, 3102, 3274, 4136, 4911, 6204, 6548, 9822, 12408, 13096, 18007, 19644, 36014, 39288, 54021, 72028, 76939, 108042, 144056, 153878, 216084, 230817, 307756, 432168, 461634, 615512, 846329, 923268, 1692658, 1846536, 2538987, 3385316, 5077974, 6770632, 10155948, 20311896]

約数ペア:

[(1, 20311896), (2, 10155948), (3, 6770632), (4, 5077974), (6, 3385316), (8, 2538987), (11, 1846536), (12, 1692658), (22, 923268), (24, 846329), (33, 615512), (44, 461634), (47, 432168), (66, 307756), (88, 230817), (94, 216084), (132, 153878), (141, 144056), (188, 108042), (264, 76939), (282, 72028), (376, 54021), (517, 39288), (564, 36014), (1034, 19644), (1128, 18007), (1551, 13096), (1637, 12408), (2068, 9822), (3102, 6548), (3274, 6204), (4136, 4911)]