20448384

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 61102080

約数和(自身を除く): 40653696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 64, 66, 88, 94, 96, 103, 128, 132, 141, 176, 188, 192, 206, 264, 282, 309, 352, 376, 384, 412, 517, 528, 564, 618, 704, 752, 824, 1034, 1056, 1128, 1133, 1236, 1408, 1504, 1551, 1648, 2068, 2112, 2256, 2266, 2472, 3008, 3102, 3296, 3399, 4136, 4224, 4512, 4532, 4841, 4944, 6016, 6204, 6592, 6798, 8272, 9024, 9064, 9682, 9888, 12408, 13184, 13596, 14523, 16544, 18048, 18128, 19364, 19776, 24816, 27192, 29046, 33088, 36256, 38728, 39552, 49632, 53251, 54384, 58092, 66176, 72512, 77456, 99264, 106502, 108768, 116184, 145024, 154912, 159753, 198528, 213004, 217536, 232368, 309824, 319506, 426008, 435072, 464736, 619648, 639012, 852016, 929472, 1278024, 1704032, 1858944, 2556048, 3408064, 5112096, 6816128, 10224192, 20448384]

約数ペア:

[(1, 20448384), (2, 10224192), (3, 6816128), (4, 5112096), (6, 3408064), (8, 2556048), (11, 1858944), (12, 1704032), (16, 1278024), (22, 929472), (24, 852016), (32, 639012), (33, 619648), (44, 464736), (47, 435072), (48, 426008), (64, 319506), (66, 309824), (88, 232368), (94, 217536), (96, 213004), (103, 198528), (128, 159753), (132, 154912), (141, 145024), (176, 116184), (188, 108768), (192, 106502), (206, 99264), (264, 77456), (282, 72512), (309, 66176), (352, 58092), (376, 54384), (384, 53251), (412, 49632), (517, 39552), (528, 38728), (564, 36256), (618, 33088), (704, 29046), (752, 27192), (824, 24816), (1034, 19776), (1056, 19364), (1128, 18128), (1133, 18048), (1236, 16544), (1408, 14523), (1504, 13596), (1551, 13184), (1648, 12408), (2068, 9888), (2112, 9682), (2256, 9064), (2266, 9024), (2472, 8272), (3008, 6798), (3102, 6592), (3296, 6204), (3399, 6016), (4136, 4944), (4224, 4841), (4512, 4532)]