20051328

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 59927040

約数和(自身を除く): 39875712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 64, 66, 88, 94, 96, 101, 128, 132, 141, 176, 188, 192, 202, 264, 282, 303, 352, 376, 384, 404, 517, 528, 564, 606, 704, 752, 808, 1034, 1056, 1111, 1128, 1212, 1408, 1504, 1551, 1616, 2068, 2112, 2222, 2256, 2424, 3008, 3102, 3232, 3333, 4136, 4224, 4444, 4512, 4747, 4848, 6016, 6204, 6464, 6666, 8272, 8888, 9024, 9494, 9696, 12408, 12928, 13332, 14241, 16544, 17776, 18048, 18988, 19392, 24816, 26664, 28482, 33088, 35552, 37976, 38784, 49632, 52217, 53328, 56964, 66176, 71104, 75952, 99264, 104434, 106656, 113928, 142208, 151904, 156651, 198528, 208868, 213312, 227856, 303808, 313302, 417736, 426624, 455712, 607616, 626604, 835472, 911424, 1253208, 1670944, 1822848, 2506416, 3341888, 5012832, 6683776, 10025664, 20051328]

約数ペア:

[(1, 20051328), (2, 10025664), (3, 6683776), (4, 5012832), (6, 3341888), (8, 2506416), (11, 1822848), (12, 1670944), (16, 1253208), (22, 911424), (24, 835472), (32, 626604), (33, 607616), (44, 455712), (47, 426624), (48, 417736), (64, 313302), (66, 303808), (88, 227856), (94, 213312), (96, 208868), (101, 198528), (128, 156651), (132, 151904), (141, 142208), (176, 113928), (188, 106656), (192, 104434), (202, 99264), (264, 75952), (282, 71104), (303, 66176), (352, 56964), (376, 53328), (384, 52217), (404, 49632), (517, 38784), (528, 37976), (564, 35552), (606, 33088), (704, 28482), (752, 26664), (808, 24816), (1034, 19392), (1056, 18988), (1111, 18048), (1128, 17776), (1212, 16544), (1408, 14241), (1504, 13332), (1551, 12928), (1616, 12408), (2068, 9696), (2112, 9494), (2222, 9024), (2256, 8888), (2424, 8272), (3008, 6666), (3102, 6464), (3232, 6204), (3333, 6016), (4136, 4848), (4224, 4747), (4444, 4512)]