20914608

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 64186864

約数和(自身を除く): 43272256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 121, 132, 143, 156, 176, 208, 242, 264, 277, 286, 312, 363, 429, 484, 528, 554, 572, 624, 726, 831, 858, 968, 1108, 1144, 1452, 1573, 1662, 1716, 1936, 2216, 2288, 2904, 3047, 3146, 3324, 3432, 3601, 4432, 4719, 5808, 6094, 6292, 6648, 6864, 7202, 9141, 9438, 10803, 12188, 12584, 13296, 14404, 18282, 18876, 21606, 24376, 25168, 28808, 33517, 36564, 37752, 39611, 43212, 48752, 57616, 67034, 73128, 75504, 79222, 86424, 100551, 118833, 134068, 146256, 158444, 172848, 201102, 237666, 268136, 316888, 402204, 435721, 475332, 536272, 633776, 804408, 871442, 950664, 1307163, 1608816, 1742884, 1901328, 2614326, 3485768, 5228652, 6971536, 10457304, 20914608]

約数ペア:

[(1, 20914608), (2, 10457304), (3, 6971536), (4, 5228652), (6, 3485768), (8, 2614326), (11, 1901328), (12, 1742884), (13, 1608816), (16, 1307163), (22, 950664), (24, 871442), (26, 804408), (33, 633776), (39, 536272), (44, 475332), (48, 435721), (52, 402204), (66, 316888), (78, 268136), (88, 237666), (104, 201102), (121, 172848), (132, 158444), (143, 146256), (156, 134068), (176, 118833), (208, 100551), (242, 86424), (264, 79222), (277, 75504), (286, 73128), (312, 67034), (363, 57616), (429, 48752), (484, 43212), (528, 39611), (554, 37752), (572, 36564), (624, 33517), (726, 28808), (831, 25168), (858, 24376), (968, 21606), (1108, 18876), (1144, 18282), (1452, 14404), (1573, 13296), (1662, 12584), (1716, 12188), (1936, 10803), (2216, 9438), (2288, 9141), (2904, 7202), (3047, 6864), (3146, 6648), (3324, 6292), (3432, 6094), (3601, 5808), (4432, 4719)]