20100565856

素因数分解:

$2^5\times 7^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1708

約数の個数: 96

約数和(自身を含む): 45616193280

約数和(自身を除く): 25515627424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 179, 224, 358, 491, 716, 982, 1021, 1253, 1432, 1964, 2042, 2506, 2864, 3437, 3928, 4084, 5012, 5728, 6874, 7147, 7856, 8168, 10024, 13748, 14294, 15712, 16336, 20048, 27496, 28588, 32672, 40096, 54992, 57176, 87889, 109984, 114352, 175778, 182759, 228704, 351556, 365518, 501311, 615223, 703112, 731036, 1002622, 1230446, 1279313, 1406224, 1462072, 2005244, 2460892, 2558626, 2812448, 2924144, 3509177, 4010488, 4921784, 5117252, 5848288, 7018354, 8020976, 9843568, 10234504, 14036708, 16041952, 19687136, 20469008, 28073416, 40938016, 56146832, 89734669, 112293664, 179469338, 358938676, 628142683, 717877352, 1256285366, 1435754704, 2512570732, 2871509408, 5025141464, 10050282928, 20100565856]

約数ペア:

[(1, 20100565856), (2, 10050282928), (4, 5025141464), (7, 2871509408), (8, 2512570732), (14, 1435754704), (16, 1256285366), (28, 717877352), (32, 628142683), (56, 358938676), (112, 179469338), (179, 112293664), (224, 89734669), (358, 56146832), (491, 40938016), (716, 28073416), (982, 20469008), (1021, 19687136), (1253, 16041952), (1432, 14036708), (1964, 10234504), (2042, 9843568), (2506, 8020976), (2864, 7018354), (3437, 5848288), (3928, 5117252), (4084, 4921784), (5012, 4010488), (5728, 3509177), (6874, 2924144), (7147, 2812448), (7856, 2558626), (8168, 2460892), (10024, 2005244), (13748, 1462072), (14294, 1406224), (15712, 1279313), (16336, 1230446), (20048, 1002622), (27496, 731036), (28588, 703112), (32672, 615223), (40096, 501311), (54992, 365518), (57176, 351556), (87889, 228704), (109984, 182759), (114352, 175778)]