20275892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 44537472

約数和(自身を除く): 24261580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1051, 1378, 1484, 2102, 2756, 4204, 4823, 7357, 9646, 13663, 14714, 19292, 27326, 29428, 54652, 55703, 95641, 111406, 191282, 222812, 382564, 389921, 724139, 779842, 1448278, 1559684, 2896556, 5068973, 10137946, 20275892]

約数ペア:

[(1, 20275892), (2, 10137946), (4, 5068973), (7, 2896556), (13, 1559684), (14, 1448278), (26, 779842), (28, 724139), (52, 389921), (53, 382564), (91, 222812), (106, 191282), (182, 111406), (212, 95641), (364, 55703), (371, 54652), (689, 29428), (742, 27326), (1051, 19292), (1378, 14714), (1484, 13663), (2102, 9646), (2756, 7357), (4204, 4823)]