20876688

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 67704000

約数和(自身を除く): 46827312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 139, 144, 149, 168, 252, 278, 298, 336, 417, 447, 504, 556, 596, 834, 894, 973, 1008, 1043, 1112, 1192, 1251, 1341, 1668, 1788, 1946, 2086, 2224, 2384, 2502, 2682, 2919, 3129, 3336, 3576, 3892, 4172, 5004, 5364, 5838, 6258, 6672, 7152, 7784, 8344, 8757, 9387, 10008, 10728, 11676, 12516, 15568, 16688, 17514, 18774, 20016, 20711, 21456, 23352, 25032, 35028, 37548, 41422, 46704, 50064, 62133, 70056, 75096, 82844, 124266, 140112, 144977, 150192, 165688, 186399, 248532, 289954, 331376, 372798, 434931, 497064, 579908, 745596, 869862, 994128, 1159816, 1304793, 1491192, 1739724, 2319632, 2609586, 2982384, 3479448, 5219172, 6958896, 10438344, 20876688]

約数ペア:

[(1, 20876688), (2, 10438344), (3, 6958896), (4, 5219172), (6, 3479448), (7, 2982384), (8, 2609586), (9, 2319632), (12, 1739724), (14, 1491192), (16, 1304793), (18, 1159816), (21, 994128), (24, 869862), (28, 745596), (36, 579908), (42, 497064), (48, 434931), (56, 372798), (63, 331376), (72, 289954), (84, 248532), (112, 186399), (126, 165688), (139, 150192), (144, 144977), (149, 140112), (168, 124266), (252, 82844), (278, 75096), (298, 70056), (336, 62133), (417, 50064), (447, 46704), (504, 41422), (556, 37548), (596, 35028), (834, 25032), (894, 23352), (973, 21456), (1008, 20711), (1043, 20016), (1112, 18774), (1192, 17514), (1251, 16688), (1341, 15568), (1668, 12516), (1788, 11676), (1946, 10728), (2086, 10008), (2224, 9387), (2384, 8757), (2502, 8344), (2682, 7784), (2919, 7152), (3129, 6672), (3336, 6258), (3576, 5838), (3892, 5364), (4172, 5004)]