20369808

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 61891128

約数和(自身を除く): 41521320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 53, 68, 72, 102, 106, 136, 144, 153, 157, 159, 204, 212, 272, 306, 314, 318, 408, 424, 471, 477, 612, 628, 636, 816, 848, 901, 942, 954, 1224, 1256, 1272, 1413, 1802, 1884, 1908, 2448, 2512, 2544, 2669, 2703, 2826, 3604, 3768, 3816, 5338, 5406, 5652, 7208, 7536, 7632, 8007, 8109, 8321, 10676, 10812, 11304, 14416, 16014, 16218, 16642, 21352, 21624, 22608, 24021, 24963, 32028, 32436, 33284, 42704, 43248, 48042, 49926, 64056, 64872, 66568, 74889, 96084, 99852, 128112, 129744, 133136, 141457, 149778, 192168, 199704, 282914, 299556, 384336, 399408, 424371, 565828, 599112, 848742, 1131656, 1198224, 1273113, 1697484, 2263312, 2546226, 3394968, 5092452, 6789936, 10184904, 20369808]

約数ペア:

[(1, 20369808), (2, 10184904), (3, 6789936), (4, 5092452), (6, 3394968), (8, 2546226), (9, 2263312), (12, 1697484), (16, 1273113), (17, 1198224), (18, 1131656), (24, 848742), (34, 599112), (36, 565828), (48, 424371), (51, 399408), (53, 384336), (68, 299556), (72, 282914), (102, 199704), (106, 192168), (136, 149778), (144, 141457), (153, 133136), (157, 129744), (159, 128112), (204, 99852), (212, 96084), (272, 74889), (306, 66568), (314, 64872), (318, 64056), (408, 49926), (424, 48042), (471, 43248), (477, 42704), (612, 33284), (628, 32436), (636, 32028), (816, 24963), (848, 24021), (901, 22608), (942, 21624), (954, 21352), (1224, 16642), (1256, 16218), (1272, 16014), (1413, 14416), (1802, 11304), (1884, 10812), (1908, 10676), (2448, 8321), (2512, 8109), (2544, 8007), (2669, 7632), (2703, 7536), (2826, 7208), (3604, 5652), (3768, 5406), (3816, 5338)]