20981872262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{21701}}^1$

素因数の和:22664

約数の個数: 32

約数和(自身を含む): 34760353824

約数和(自身を除く): 13778481562

約数列:

[1, 2, 13, 26, 41, 82, 533, 907, 1066, 1814, 11791, 21701, 23582, 37187, 43402, 74374, 282113, 483431, 564226, 889741, 966862, 1779482, 11566633, 19682807, 23133266, 39365614, 255876491, 511752982, 806995087, 1613990174, 10490936131, 20981872262]

約数ペア:

[(1, 20981872262), (2, 10490936131), (13, 1613990174), (26, 806995087), (41, 511752982), (82, 255876491), (533, 39365614), (907, 23133266), (1066, 19682807), (1814, 11566633), (11791, 1779482), (21701, 966862), (23582, 889741), (37187, 564226), (43402, 483431), (74374, 282113)]