20557351004

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{3229}}^1\times {\mathrm{21803}}^1$

素因数の和:25109

約数の個数: 24

約数和(自身を含む): 36481144560

約数和(自身を除く): 15923793556

約数列:

[1, 2, 4, 73, 146, 292, 3229, 6458, 12916, 21803, 43606, 87212, 235717, 471434, 942868, 1591619, 3183238, 6366476, 70401887, 140803774, 281607548, 5139337751, 10278675502, 20557351004]

約数ペア:

[(1, 20557351004), (2, 10278675502), (4, 5139337751), (73, 281607548), (146, 140803774), (292, 70401887), (3229, 6366476), (6458, 3183238), (12916, 1591619), (21803, 942868), (43606, 471434), (87212, 235717)]