20556864

素因数分解:

$2^6\times 3^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 84

約数和(自身を含む): 59733180

約数和(自身を除く): 39176316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 144, 178, 192, 267, 288, 356, 401, 534, 576, 712, 801, 802, 1068, 1203, 1424, 1602, 1604, 2136, 2406, 2848, 3204, 3208, 3609, 4272, 4812, 5696, 6408, 6416, 7218, 8544, 9624, 12816, 12832, 14436, 17088, 19248, 25632, 25664, 28872, 35689, 38496, 51264, 57744, 71378, 76992, 107067, 115488, 142756, 214134, 230976, 285512, 321201, 428268, 571024, 642402, 856536, 1142048, 1284804, 1713072, 2284096, 2569608, 3426144, 5139216, 6852288, 10278432, 20556864]

約数ペア:

[(1, 20556864), (2, 10278432), (3, 6852288), (4, 5139216), (6, 3426144), (8, 2569608), (9, 2284096), (12, 1713072), (16, 1284804), (18, 1142048), (24, 856536), (32, 642402), (36, 571024), (48, 428268), (64, 321201), (72, 285512), (89, 230976), (96, 214134), (144, 142756), (178, 115488), (192, 107067), (267, 76992), (288, 71378), (356, 57744), (401, 51264), (534, 38496), (576, 35689), (712, 28872), (801, 25664), (802, 25632), (1068, 19248), (1203, 17088), (1424, 14436), (1602, 12832), (1604, 12816), (2136, 9624), (2406, 8544), (2848, 7218), (3204, 6416), (3208, 6408), (3609, 5696), (4272, 4812)]