20569864

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 49512960

約数和(自身を除く): 28943096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 41, 56, 62, 68, 82, 119, 124, 136, 164, 217, 238, 248, 287, 289, 328, 434, 476, 527, 574, 578, 697, 868, 952, 1054, 1148, 1156, 1271, 1394, 1736, 2023, 2108, 2296, 2312, 2542, 2788, 3689, 4046, 4216, 4879, 5084, 5576, 7378, 8092, 8897, 8959, 9758, 10168, 11849, 14756, 16184, 17794, 17918, 19516, 21607, 23698, 29512, 35588, 35836, 39032, 43214, 47396, 62713, 71176, 71672, 82943, 86428, 94792, 125426, 151249, 165886, 172856, 250852, 302498, 331772, 367319, 501704, 604996, 663544, 734638, 1209992, 1469276, 2571233, 2938552, 5142466, 10284932, 20569864]

約数ペア:

[(1, 20569864), (2, 10284932), (4, 5142466), (7, 2938552), (8, 2571233), (14, 1469276), (17, 1209992), (28, 734638), (31, 663544), (34, 604996), (41, 501704), (56, 367319), (62, 331772), (68, 302498), (82, 250852), (119, 172856), (124, 165886), (136, 151249), (164, 125426), (217, 94792), (238, 86428), (248, 82943), (287, 71672), (289, 71176), (328, 62713), (434, 47396), (476, 43214), (527, 39032), (574, 35836), (578, 35588), (697, 29512), (868, 23698), (952, 21607), (1054, 19516), (1148, 17918), (1156, 17794), (1271, 16184), (1394, 14756), (1736, 11849), (2023, 10168), (2108, 9758), (2296, 8959), (2312, 8897), (2542, 8092), (2788, 7378), (3689, 5576), (4046, 5084), (4216, 4879)]