20865384

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3375

約数の個数: 64

約数和(自身を含む): 59976000

約数和(自身を除く): 39110616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3331, 6264, 6662, 9993, 13324, 19986, 26648, 29979, 39972, 59958, 79944, 89937, 96599, 119916, 179874, 193198, 239832, 289797, 359748, 386396, 579594, 719496, 772792, 869391, 1159188, 1738782, 2318376, 2608173, 3477564, 5216346, 6955128, 10432692, 20865384]

約数ペア:

[(1, 20865384), (2, 10432692), (3, 6955128), (4, 5216346), (6, 3477564), (8, 2608173), (9, 2318376), (12, 1738782), (18, 1159188), (24, 869391), (27, 772792), (29, 719496), (36, 579594), (54, 386396), (58, 359748), (72, 289797), (87, 239832), (108, 193198), (116, 179874), (174, 119916), (216, 96599), (232, 89937), (261, 79944), (348, 59958), (522, 39972), (696, 29979), (783, 26648), (1044, 19986), (1566, 13324), (2088, 9993), (3132, 6662), (3331, 6264)]