20179656724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1\times {\mathrm{3457}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 37645171200

約数和(自身を除く): 17465514476

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 863, 1691, 1726, 3382, 3452, 3457, 6764, 6914, 13828, 16397, 32794, 65588, 65683, 76807, 131366, 153614, 262732, 307228, 307673, 615346, 1230692, 1459333, 2918666, 2983391, 5837332, 5845787, 5966782, 11691574, 11933564, 23383148, 56684429, 113368858, 226737716, 265521799, 531043598, 1062087196, 5044914181, 10089828362, 20179656724]

約数ペア:

[(1, 20179656724), (2, 10089828362), (4, 5044914181), (19, 1062087196), (38, 531043598), (76, 265521799), (89, 226737716), (178, 113368858), (356, 56684429), (863, 23383148), (1691, 11933564), (1726, 11691574), (3382, 5966782), (3452, 5845787), (3457, 5837332), (6764, 2983391), (6914, 2918666), (13828, 1459333), (16397, 1230692), (32794, 615346), (65588, 307673), (65683, 307228), (76807, 262732), (131366, 153614)]