20701906

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 24

約数和(自身を含む): 33453324

約数和(自身を除く): 12751418

約数列:

[1, 2, 19, 38, 53, 106, 361, 541, 722, 1007, 1082, 2014, 10279, 19133, 20558, 28673, 38266, 57346, 195301, 390602, 544787, 1089574, 10350953, 20701906]

約数ペア:

[(1, 20701906), (2, 10350953), (19, 1089574), (38, 544787), (53, 390602), (106, 195301), (361, 57346), (541, 38266), (722, 28673), (1007, 20558), (1082, 19133), (2014, 10279)]