20408725504

素因数分解:

$2^{12}\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1809

約数の個数: 104

約数和(自身を含む): 42589006208

約数和(自身を除く): 22180280704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 124, 128, 194, 248, 256, 388, 496, 512, 776, 992, 1024, 1552, 1657, 1984, 2048, 3007, 3104, 3314, 3968, 4096, 6014, 6208, 6628, 7936, 12028, 12416, 13256, 15872, 24056, 24832, 26512, 31744, 48112, 49664, 51367, 53024, 63488, 96224, 99328, 102734, 106048, 126976, 160729, 192448, 198656, 205468, 212096, 321458, 384896, 397312, 410936, 424192, 642916, 769792, 821872, 848384, 1285832, 1539584, 1643744, 1696768, 2571664, 3079168, 3287488, 3393536, 4982599, 5143328, 6158336, 6574976, 6787072, 9965198, 10286656, 12316672, 13149952, 19930396, 20573312, 26299904, 39860792, 41146624, 52599808, 79721584, 82293248, 105199616, 159443168, 164586496, 210399232, 318886336, 329172992, 637772672, 658345984, 1275545344, 2551090688, 5102181376, 10204362752, 20408725504]

約数ペア:

[(1, 20408725504), (2, 10204362752), (4, 5102181376), (8, 2551090688), (16, 1275545344), (31, 658345984), (32, 637772672), (62, 329172992), (64, 318886336), (97, 210399232), (124, 164586496), (128, 159443168), (194, 105199616), (248, 82293248), (256, 79721584), (388, 52599808), (496, 41146624), (512, 39860792), (776, 26299904), (992, 20573312), (1024, 19930396), (1552, 13149952), (1657, 12316672), (1984, 10286656), (2048, 9965198), (3007, 6787072), (3104, 6574976), (3314, 6158336), (3968, 5143328), (4096, 4982599), (6014, 3393536), (6208, 3287488), (6628, 3079168), (7936, 2571664), (12028, 1696768), (12416, 1643744), (13256, 1539584), (15872, 1285832), (24056, 848384), (24832, 821872), (26512, 769792), (31744, 642916), (48112, 424192), (49664, 410936), (51367, 397312), (53024, 384896), (63488, 321458), (96224, 212096), (99328, 205468), (102734, 198656), (106048, 192448), (126976, 160729)]