20680653

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 34027776

約数和(自身を除く): 13347123

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1093, 1113, 2703, 3279, 6307, 7651, 18581, 18921, 22953, 55743, 57929, 130067, 173787, 390201, 405503, 984793, 1216509, 2954379, 6893551, 20680653]

約数ペア:

[(1, 20680653), (3, 6893551), (7, 2954379), (17, 1216509), (21, 984793), (51, 405503), (53, 390201), (119, 173787), (159, 130067), (357, 57929), (371, 55743), (901, 22953), (1093, 18921), (1113, 18581), (2703, 7651), (3279, 6307)]