20918086

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16821434

約数列:

[1, 2, 7, 14, 23, 46, 161, 167, 322, 334, 389, 778, 1169, 2338, 2723, 3841, 5446, 7682, 8947, 17894, 26887, 53774, 62629, 64963, 125258, 129926, 454741, 909482, 1494149, 2988298, 10459043, 20918086]

約数ペア:

[(1, 20918086), (2, 10459043), (7, 2988298), (14, 1494149), (23, 909482), (46, 454741), (161, 129926), (167, 125258), (322, 64963), (334, 62629), (389, 53774), (778, 26887), (1169, 17894), (2338, 8947), (2723, 7682), (3841, 5446)]