20876856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 71500800

約数和(自身を除く): 50623944

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 79, 84, 88, 91, 104, 121, 132, 143, 154, 156, 158, 168, 182, 231, 237, 242, 264, 273, 286, 308, 312, 316, 363, 364, 429, 462, 474, 484, 546, 553, 572, 616, 632, 726, 728, 847, 858, 869, 924, 948, 968, 1001, 1027, 1092, 1106, 1144, 1452, 1573, 1659, 1694, 1716, 1738, 1848, 1896, 2002, 2054, 2184, 2212, 2541, 2607, 2904, 3003, 3081, 3146, 3318, 3388, 3432, 3476, 4004, 4108, 4424, 4719, 5082, 5214, 6006, 6083, 6162, 6292, 6636, 6776, 6952, 7189, 8008, 8216, 9438, 9559, 10164, 10428, 11011, 11297, 12012, 12166, 12324, 12584, 13272, 14378, 18249, 18876, 19118, 20328, 20856, 21567, 22022, 22594, 24024, 24332, 24648, 28677, 28756, 33033, 33891, 36498, 37752, 38236, 43134, 44044, 45188, 48664, 57354, 57512, 66066, 66913, 67782, 72996, 76472, 79079, 86268, 88088, 90376, 114708, 124267, 132132, 133826, 135564, 145992, 158158, 172536, 200739, 229416, 237237, 248534, 264264, 267652, 271128, 316316, 372801, 401478, 474474, 497068, 535304, 632632, 745602, 802956, 869869, 948948, 994136, 1491204, 1605912, 1739738, 1897896, 2609607, 2982408, 3479476, 5219214, 6958952, 10438428, 20876856]

約数ペア:

[(1, 20876856), (2, 10438428), (3, 6958952), (4, 5219214), (6, 3479476), (7, 2982408), (8, 2609607), (11, 1897896), (12, 1739738), (13, 1605912), (14, 1491204), (21, 994136), (22, 948948), (24, 869869), (26, 802956), (28, 745602), (33, 632632), (39, 535304), (42, 497068), (44, 474474), (52, 401478), (56, 372801), (66, 316316), (77, 271128), (78, 267652), (79, 264264), (84, 248534), (88, 237237), (91, 229416), (104, 200739), (121, 172536), (132, 158158), (143, 145992), (154, 135564), (156, 133826), (158, 132132), (168, 124267), (182, 114708), (231, 90376), (237, 88088), (242, 86268), (264, 79079), (273, 76472), (286, 72996), (308, 67782), (312, 66913), (316, 66066), (363, 57512), (364, 57354), (429, 48664), (462, 45188), (474, 44044), (484, 43134), (546, 38236), (553, 37752), (572, 36498), (616, 33891), (632, 33033), (726, 28756), (728, 28677), (847, 24648), (858, 24332), (869, 24024), (924, 22594), (948, 22022), (968, 21567), (1001, 20856), (1027, 20328), (1092, 19118), (1106, 18876), (1144, 18249), (1452, 14378), (1573, 13272), (1659, 12584), (1694, 12324), (1716, 12166), (1738, 12012), (1848, 11297), (1896, 11011), (2002, 10428), (2054, 10164), (2184, 9559), (2212, 9438), (2541, 8216), (2607, 8008), (2904, 7189), (3003, 6952), (3081, 6776), (3146, 6636), (3318, 6292), (3388, 6162), (3432, 6083), (3476, 6006), (4004, 5214), (4108, 5082), (4424, 4719)]