20349714272

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:1104

約数の個数: 96

約数和(自身を含む): 42826008960

約数和(自身を除く): 22476294688

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 239, 272, 281, 478, 544, 557, 562, 956, 1114, 1124, 1912, 2228, 2248, 3824, 4063, 4456, 4496, 4777, 7648, 8126, 8912, 8992, 9469, 9554, 16252, 17824, 18938, 19108, 32504, 37876, 38216, 65008, 67159, 75752, 76432, 130016, 133123, 134318, 151504, 152864, 156517, 266246, 268636, 303008, 313034, 532492, 537272, 626068, 1064984, 1074544, 1141703, 1252136, 2129968, 2149088, 2263091, 2283406, 2504272, 2660789, 4259936, 4526182, 4566812, 5008544, 5321578, 9052364, 9133624, 10643156, 18104728, 18267248, 21286312, 36209456, 36534496, 37407563, 42572624, 72418912, 74815126, 85145248, 149630252, 299260504, 598521008, 635928571, 1197042016, 1271857142, 2543714284, 5087428568, 10174857136, 20349714272]

約数ペア:

[(1, 20349714272), (2, 10174857136), (4, 5087428568), (8, 2543714284), (16, 1271857142), (17, 1197042016), (32, 635928571), (34, 598521008), (68, 299260504), (136, 149630252), (239, 85145248), (272, 74815126), (281, 72418912), (478, 42572624), (544, 37407563), (557, 36534496), (562, 36209456), (956, 21286312), (1114, 18267248), (1124, 18104728), (1912, 10643156), (2228, 9133624), (2248, 9052364), (3824, 5321578), (4063, 5008544), (4456, 4566812), (4496, 4526182), (4777, 4259936), (7648, 2660789), (8126, 2504272), (8912, 2283406), (8992, 2263091), (9469, 2149088), (9554, 2129968), (16252, 1252136), (17824, 1141703), (18938, 1074544), (19108, 1064984), (32504, 626068), (37876, 537272), (38216, 532492), (65008, 313034), (67159, 303008), (75752, 268636), (76432, 266246), (130016, 156517), (133123, 152864), (134318, 151504)]