20172384

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:892

約数の個数: 72

約数和(自身を含む): 58083480

約数和(自身を除く): 37911096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 787, 801, 1068, 1424, 1574, 1602, 2136, 2361, 2848, 3148, 3204, 4272, 4722, 6296, 6408, 7083, 8544, 9444, 12592, 12816, 14166, 18888, 25184, 25632, 28332, 37776, 56664, 70043, 75552, 113328, 140086, 210129, 226656, 280172, 420258, 560344, 630387, 840516, 1120688, 1260774, 1681032, 2241376, 2521548, 3362064, 5043096, 6724128, 10086192, 20172384]

約数ペア:

[(1, 20172384), (2, 10086192), (3, 6724128), (4, 5043096), (6, 3362064), (8, 2521548), (9, 2241376), (12, 1681032), (16, 1260774), (18, 1120688), (24, 840516), (32, 630387), (36, 560344), (48, 420258), (72, 280172), (89, 226656), (96, 210129), (144, 140086), (178, 113328), (267, 75552), (288, 70043), (356, 56664), (534, 37776), (712, 28332), (787, 25632), (801, 25184), (1068, 18888), (1424, 14166), (1574, 12816), (1602, 12592), (2136, 9444), (2361, 8544), (2848, 7083), (3148, 6408), (3204, 6296), (4272, 4722)]