20522660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 25744540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1019, 1060, 2014, 2038, 4028, 4076, 5035, 5095, 10070, 10190, 19361, 20140, 20380, 38722, 54007, 77444, 96805, 108014, 193610, 216028, 270035, 387220, 540070, 1026133, 1080140, 2052266, 4104532, 5130665, 10261330, 20522660]

約数ペア:

[(1, 20522660), (2, 10261330), (4, 5130665), (5, 4104532), (10, 2052266), (19, 1080140), (20, 1026133), (38, 540070), (53, 387220), (76, 270035), (95, 216028), (106, 193610), (190, 108014), (212, 96805), (265, 77444), (380, 54007), (530, 38722), (1007, 20380), (1019, 20140), (1060, 19361), (2014, 10190), (2038, 10070), (4028, 5095), (4076, 5035)]