20211059128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{3539}}^1$

素因数の和:4264

約数の個数: 64

約数和(自身を含む): 41347908000

約数和(自身を除く): 21136848872

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 617, 712, 1157, 1234, 2314, 2468, 3539, 4628, 4936, 7078, 8021, 9256, 14156, 16042, 28312, 32084, 46007, 54913, 64168, 92014, 109826, 184028, 219652, 314971, 368056, 439304, 629942, 713869, 1259884, 1427738, 2183563, 2519768, 2855476, 4094623, 4367126, 5710952, 8189246, 8734252, 16378492, 17468504, 28386319, 32756984, 56772638, 113545276, 194337107, 227090552, 388674214, 777348428, 1554696856, 2526382391, 5052764782, 10105529564, 20211059128]

約数ペア:

[(1, 20211059128), (2, 10105529564), (4, 5052764782), (8, 2526382391), (13, 1554696856), (26, 777348428), (52, 388674214), (89, 227090552), (104, 194337107), (178, 113545276), (356, 56772638), (617, 32756984), (712, 28386319), (1157, 17468504), (1234, 16378492), (2314, 8734252), (2468, 8189246), (3539, 5710952), (4628, 4367126), (4936, 4094623), (7078, 2855476), (8021, 2519768), (9256, 2183563), (14156, 1427738), (16042, 1259884), (28312, 713869), (32084, 629942), (46007, 439304), (54913, 368056), (64168, 314971), (92014, 219652), (109826, 184028)]