20971608

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 64638000

約数和(自身を除く): 43666392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 1049, 1176, 1428, 1666, 2098, 2499, 2856, 3147, 3332, 4196, 4998, 6294, 6664, 7343, 8392, 9996, 12588, 14686, 17833, 19992, 22029, 25176, 29372, 35666, 44058, 51401, 53499, 58744, 71332, 88116, 102802, 106998, 124831, 142664, 154203, 176232, 205604, 213996, 249662, 308406, 374493, 411208, 427992, 499324, 616812, 748986, 873817, 998648, 1233624, 1497972, 1747634, 2621451, 2995944, 3495268, 5242902, 6990536, 10485804, 20971608]

約数ペア:

[(1, 20971608), (2, 10485804), (3, 6990536), (4, 5242902), (6, 3495268), (7, 2995944), (8, 2621451), (12, 1747634), (14, 1497972), (17, 1233624), (21, 998648), (24, 873817), (28, 748986), (34, 616812), (42, 499324), (49, 427992), (51, 411208), (56, 374493), (68, 308406), (84, 249662), (98, 213996), (102, 205604), (119, 176232), (136, 154203), (147, 142664), (168, 124831), (196, 106998), (204, 102802), (238, 88116), (294, 71332), (357, 58744), (392, 53499), (408, 51401), (476, 44058), (588, 35666), (714, 29372), (833, 25176), (952, 22029), (1049, 19992), (1176, 17833), (1428, 14686), (1666, 12588), (2098, 9996), (2499, 8392), (2856, 7343), (3147, 6664), (3332, 6294), (4196, 4998)]