20740968

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 58132800

約数和(自身を除く): 37391832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 733, 786, 1048, 1179, 1466, 1572, 2199, 2358, 2932, 3144, 3537, 4398, 4716, 5864, 6597, 7074, 8796, 9432, 13194, 14148, 17592, 19791, 26388, 28296, 39582, 52776, 79164, 96023, 158328, 192046, 288069, 384092, 576138, 768184, 864207, 1152276, 1728414, 2304552, 2592621, 3456828, 5185242, 6913656, 10370484, 20740968]

約数ペア:

[(1, 20740968), (2, 10370484), (3, 6913656), (4, 5185242), (6, 3456828), (8, 2592621), (9, 2304552), (12, 1728414), (18, 1152276), (24, 864207), (27, 768184), (36, 576138), (54, 384092), (72, 288069), (108, 192046), (131, 158328), (216, 96023), (262, 79164), (393, 52776), (524, 39582), (733, 28296), (786, 26388), (1048, 19791), (1179, 17592), (1466, 14148), (1572, 13194), (2199, 9432), (2358, 8796), (2932, 7074), (3144, 6597), (3537, 5864), (4398, 4716)]