20520576

素因数分解:

$2^7\times 3^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 39945024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 128, 141, 144, 188, 192, 282, 288, 376, 379, 384, 423, 564, 576, 752, 758, 846, 1128, 1137, 1152, 1504, 1516, 1692, 2256, 2274, 3008, 3032, 3384, 3411, 4512, 4548, 6016, 6064, 6768, 6822, 9024, 9096, 12128, 13536, 13644, 17813, 18048, 18192, 24256, 27072, 27288, 35626, 36384, 48512, 53439, 54144, 54576, 71252, 72768, 106878, 109152, 142504, 145536, 160317, 213756, 218304, 285008, 320634, 427512, 436608, 570016, 641268, 855024, 1140032, 1282536, 1710048, 2280064, 2565072, 3420096, 5130144, 6840192, 10260288, 20520576]

約数ペア:

[(1, 20520576), (2, 10260288), (3, 6840192), (4, 5130144), (6, 3420096), (8, 2565072), (9, 2280064), (12, 1710048), (16, 1282536), (18, 1140032), (24, 855024), (32, 641268), (36, 570016), (47, 436608), (48, 427512), (64, 320634), (72, 285008), (94, 218304), (96, 213756), (128, 160317), (141, 145536), (144, 142504), (188, 109152), (192, 106878), (282, 72768), (288, 71252), (376, 54576), (379, 54144), (384, 53439), (423, 48512), (564, 36384), (576, 35626), (752, 27288), (758, 27072), (846, 24256), (1128, 18192), (1137, 18048), (1152, 17813), (1504, 13644), (1516, 13536), (1692, 12128), (2256, 9096), (2274, 9024), (3008, 6822), (3032, 6768), (3384, 6064), (3411, 6016), (4512, 4548)]