20948256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10391}}^1$

素因数の和:10414

約数の個数: 72

約数和(自身を含む): 68088384

約数和(自身を除く): 47140128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10391, 20782, 31173, 41564, 62346, 72737, 83128, 93519, 124692, 145474, 166256, 187038, 218211, 249384, 290948, 332512, 374076, 436422, 498768, 581896, 654633, 748152, 872844, 997536, 1163792, 1309266, 1496304, 1745688, 2327584, 2618532, 2992608, 3491376, 5237064, 6982752, 10474128, 20948256]

約数ペア:

[(1, 20948256), (2, 10474128), (3, 6982752), (4, 5237064), (6, 3491376), (7, 2992608), (8, 2618532), (9, 2327584), (12, 1745688), (14, 1496304), (16, 1309266), (18, 1163792), (21, 997536), (24, 872844), (28, 748152), (32, 654633), (36, 581896), (42, 498768), (48, 436422), (56, 374076), (63, 332512), (72, 290948), (84, 249384), (96, 218211), (112, 187038), (126, 166256), (144, 145474), (168, 124692), (224, 93519), (252, 83128), (288, 72737), (336, 62346), (504, 41564), (672, 31173), (1008, 20782), (2016, 10391)]