20611902166

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{51421}}^1$

素因数の和:51604

約数の個数: 32

約数和(自身を含む): 32580979200

約数和(自身を除く): 11969077034

約数列:

[1, 2, 43, 59, 79, 86, 118, 158, 2537, 3397, 4661, 5074, 6794, 9322, 51421, 102842, 200423, 400846, 2211103, 3033839, 4062259, 4422206, 6067678, 8124518, 130455077, 174677137, 239673281, 260910154, 349354274, 479346562, 10305951083, 20611902166]

約数ペア:

[(1, 20611902166), (2, 10305951083), (43, 479346562), (59, 349354274), (79, 260910154), (86, 239673281), (118, 174677137), (158, 130455077), (2537, 8124518), (3397, 6067678), (4661, 4422206), (5074, 4062259), (6794, 3033839), (9322, 2211103), (51421, 400846), (102842, 200423)]