20912892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1779

約数の個数: 96

約数和(自身を含む): 65554944

約数和(自身を除く): 44642052

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1741, 2002, 3003, 3482, 4004, 5223, 6006, 6964, 10446, 12012, 12187, 19151, 20892, 22633, 24374, 36561, 38302, 45266, 48748, 57453, 67899, 73122, 76604, 90532, 114906, 134057, 135798, 146244, 158431, 229812, 248963, 268114, 271596, 316862, 402171, 475293, 497926, 536228, 633724, 746889, 804342, 950586, 995852, 1493778, 1608684, 1742741, 1901172, 2987556, 3485482, 5228223, 6970964, 10456446, 20912892]

約数ペア:

[(1, 20912892), (2, 10456446), (3, 6970964), (4, 5228223), (6, 3485482), (7, 2987556), (11, 1901172), (12, 1742741), (13, 1608684), (14, 1493778), (21, 995852), (22, 950586), (26, 804342), (28, 746889), (33, 633724), (39, 536228), (42, 497926), (44, 475293), (52, 402171), (66, 316862), (77, 271596), (78, 268114), (84, 248963), (91, 229812), (132, 158431), (143, 146244), (154, 135798), (156, 134057), (182, 114906), (231, 90532), (273, 76604), (286, 73122), (308, 67899), (364, 57453), (429, 48748), (462, 45266), (546, 38302), (572, 36561), (858, 24374), (924, 22633), (1001, 20892), (1092, 19151), (1716, 12187), (1741, 12012), (2002, 10446), (3003, 6964), (3482, 6006), (4004, 5223)]