20176975346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1\times {\mathrm{20639}}^1$

素因数の和:21890

約数の個数: 32

約数和(自身を含む): 33939095040

約数和(自身を除く): 13762119694

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 1201, 2402, 13211, 20639, 26422, 41278, 44437, 88874, 227029, 454058, 488807, 763643, 977614, 1527286, 8400073, 16800146, 24787439, 49574878, 272661829, 545323658, 917135243, 1834270486, 10088487673, 20176975346]

約数ペア:

[(1, 20176975346), (2, 10088487673), (11, 1834270486), (22, 917135243), (37, 545323658), (74, 272661829), (407, 49574878), (814, 24787439), (1201, 16800146), (2402, 8400073), (13211, 1527286), (20639, 977614), (26422, 763643), (41278, 488807), (44437, 454058), (88874, 227029)]