20157642

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{23827}}^1$

素因数の和:23882

約数の個数: 24

約数和(自身を含む): 44606016

約数和(自身を除く): 24448374

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 23827, 47654, 71481, 142962, 214443, 428886, 1119869, 2239738, 3359607, 6719214, 10078821, 20157642]

約数ペア:

[(1, 20157642), (2, 10078821), (3, 6719214), (6, 3359607), (9, 2239738), (18, 1119869), (47, 428886), (94, 214443), (141, 142962), (282, 71481), (423, 47654), (846, 23827)]