20164352

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 44469264

約数和(自身を除く): 24304912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 83, 104, 128, 146, 166, 208, 256, 292, 332, 416, 584, 664, 832, 949, 1079, 1168, 1328, 1664, 1898, 2158, 2336, 2656, 3328, 3796, 4316, 4672, 5312, 6059, 7592, 8632, 9344, 10624, 12118, 15184, 17264, 18688, 21248, 24236, 30368, 34528, 48472, 60736, 69056, 78767, 96944, 121472, 138112, 157534, 193888, 242944, 276224, 315068, 387776, 630136, 775552, 1260272, 1551104, 2520544, 5041088, 10082176, 20164352]

約数ペア:

[(1, 20164352), (2, 10082176), (4, 5041088), (8, 2520544), (13, 1551104), (16, 1260272), (26, 775552), (32, 630136), (52, 387776), (64, 315068), (73, 276224), (83, 242944), (104, 193888), (128, 157534), (146, 138112), (166, 121472), (208, 96944), (256, 78767), (292, 69056), (332, 60736), (416, 48472), (584, 34528), (664, 30368), (832, 24236), (949, 21248), (1079, 18688), (1168, 17264), (1328, 15184), (1664, 12118), (1898, 10624), (2158, 9344), (2336, 8632), (2656, 7592), (3328, 6059), (3796, 5312), (4316, 4672)]