20869128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45175032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 881, 987, 1128, 1316, 1692, 1762, 1974, 2632, 2643, 2961, 3384, 3524, 3948, 5286, 5922, 6167, 7048, 7896, 7929, 10572, 11844, 12334, 15858, 18501, 21144, 23688, 24668, 31716, 37002, 41407, 49336, 55503, 63432, 74004, 82814, 111006, 124221, 148008, 165628, 222012, 248442, 289849, 331256, 372663, 444024, 496884, 579698, 745326, 869547, 993768, 1159396, 1490652, 1739094, 2318792, 2608641, 2981304, 3478188, 5217282, 6956376, 10434564, 20869128]

約数ペア:

[(1, 20869128), (2, 10434564), (3, 6956376), (4, 5217282), (6, 3478188), (7, 2981304), (8, 2608641), (9, 2318792), (12, 1739094), (14, 1490652), (18, 1159396), (21, 993768), (24, 869547), (28, 745326), (36, 579698), (42, 496884), (47, 444024), (56, 372663), (63, 331256), (72, 289849), (84, 248442), (94, 222012), (126, 165628), (141, 148008), (168, 124221), (188, 111006), (252, 82814), (282, 74004), (329, 63432), (376, 55503), (423, 49336), (504, 41407), (564, 37002), (658, 31716), (846, 24668), (881, 23688), (987, 21144), (1128, 18501), (1316, 15858), (1692, 12334), (1762, 11844), (1974, 10572), (2632, 7929), (2643, 7896), (2961, 7048), (3384, 6167), (3524, 5922), (3948, 5286)]