20799108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 37697148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 991, 1166, 1749, 1908, 1982, 2332, 2973, 3498, 3964, 5247, 5946, 6996, 8919, 10494, 10901, 11892, 17838, 20988, 21802, 32703, 35676, 43604, 52523, 65406, 98109, 105046, 130812, 157569, 196218, 210092, 315138, 392436, 472707, 577753, 630276, 945414, 1155506, 1733259, 1890828, 2311012, 3466518, 5199777, 6933036, 10399554, 20799108]

約数ペア:

[(1, 20799108), (2, 10399554), (3, 6933036), (4, 5199777), (6, 3466518), (9, 2311012), (11, 1890828), (12, 1733259), (18, 1155506), (22, 945414), (33, 630276), (36, 577753), (44, 472707), (53, 392436), (66, 315138), (99, 210092), (106, 196218), (132, 157569), (159, 130812), (198, 105046), (212, 98109), (318, 65406), (396, 52523), (477, 43604), (583, 35676), (636, 32703), (954, 21802), (991, 20988), (1166, 17838), (1749, 11892), (1908, 10901), (1982, 10494), (2332, 8919), (2973, 6996), (3498, 5946), (3964, 5247)]