20173091584

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{5237}}^1$

素因数の和:5661

約数の個数: 72

約数和(自身を含む): 41369807808

約数和(自身を除く): 21196716224

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 367, 656, 734, 1312, 1468, 2624, 2936, 5237, 5248, 5872, 10474, 10496, 11744, 15047, 20948, 23488, 30094, 41896, 46976, 60188, 83792, 93952, 120376, 167584, 214717, 240752, 335168, 429434, 481504, 670336, 858868, 963008, 1340672, 1717736, 1921979, 1926016, 3435472, 3843958, 3852032, 6870944, 7687916, 13741888, 15375832, 27483776, 30751664, 54967552, 61503328, 78801139, 123006656, 157602278, 246013312, 315204556, 492026624, 630409112, 1260818224, 2521636448, 5043272896, 10086545792, 20173091584]

約数ペア:

[(1, 20173091584), (2, 10086545792), (4, 5043272896), (8, 2521636448), (16, 1260818224), (32, 630409112), (41, 492026624), (64, 315204556), (82, 246013312), (128, 157602278), (164, 123006656), (256, 78801139), (328, 61503328), (367, 54967552), (656, 30751664), (734, 27483776), (1312, 15375832), (1468, 13741888), (2624, 7687916), (2936, 6870944), (5237, 3852032), (5248, 3843958), (5872, 3435472), (10474, 1926016), (10496, 1921979), (11744, 1717736), (15047, 1340672), (20948, 963008), (23488, 858868), (30094, 670336), (41896, 481504), (46976, 429434), (60188, 335168), (83792, 240752), (93952, 214717), (120376, 167584)]