20137761

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14698719

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2267, 2961, 6801, 8883, 15869, 20403, 47607, 61209, 106549, 142821, 319647, 428463, 745843, 958941, 2237529, 2876823, 6712587, 20137761]

約数ペア:

[(1, 20137761), (3, 6712587), (7, 2876823), (9, 2237529), (21, 958941), (27, 745843), (47, 428463), (63, 319647), (141, 142821), (189, 106549), (329, 61209), (423, 47607), (987, 20403), (1269, 15869), (2267, 8883), (2961, 6801)]