20340008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 41285160

約数和(自身を除く): 20945152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 761, 1028, 1522, 2056, 3044, 3341, 6088, 6682, 9893, 13364, 19786, 26728, 39572, 79144, 195577, 391154, 782308, 1564616, 2542501, 5085002, 10170004, 20340008]

約数ペア:

[(1, 20340008), (2, 10170004), (4, 5085002), (8, 2542501), (13, 1564616), (26, 782308), (52, 391154), (104, 195577), (257, 79144), (514, 39572), (761, 26728), (1028, 19786), (1522, 13364), (2056, 9893), (3044, 6682), (3341, 6088)]