20897860224

素因数分解:

$2^7\times 3^1\times {\mathrm{461}}^1\times {\mathrm{118051}}^1$

素因数の和:118529

約数の個数: 64

約数和(自身を含む): 55630824480

約数和(自身を除く): 34732964256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 461, 922, 1383, 1844, 2766, 3688, 5532, 7376, 11064, 14752, 22128, 29504, 44256, 59008, 88512, 118051, 177024, 236102, 354153, 472204, 708306, 944408, 1416612, 1888816, 2833224, 3777632, 5666448, 7555264, 11332896, 15110528, 22665792, 45331584, 54421511, 108843022, 163264533, 217686044, 326529066, 435372088, 653058132, 870744176, 1306116264, 1741488352, 2612232528, 3482976704, 5224465056, 6965953408, 10448930112, 20897860224]

約数ペア:

[(1, 20897860224), (2, 10448930112), (3, 6965953408), (4, 5224465056), (6, 3482976704), (8, 2612232528), (12, 1741488352), (16, 1306116264), (24, 870744176), (32, 653058132), (48, 435372088), (64, 326529066), (96, 217686044), (128, 163264533), (192, 108843022), (384, 54421511), (461, 45331584), (922, 22665792), (1383, 15110528), (1844, 11332896), (2766, 7555264), (3688, 5666448), (5532, 3777632), (7376, 2833224), (11064, 1888816), (14752, 1416612), (22128, 944408), (29504, 708306), (44256, 472204), (59008, 354153), (88512, 236102), (118051, 177024)]