20176392980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1001807}}^1$

素因数の和:1001888

約数の個数: 48

約数和(自身を含む): 45442010880

約数和(自身を除く): 25265617900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 1001807, 2003614, 4007228, 5009035, 10018070, 19034333, 20036140, 38068666, 53095771, 76137332, 95171665, 106191542, 190343330, 212383084, 265478855, 380686660, 530957710, 1008819649, 1061915420, 2017639298, 4035278596, 5044098245, 10088196490, 20176392980]

約数ペア:

[(1, 20176392980), (2, 10088196490), (4, 5044098245), (5, 4035278596), (10, 2017639298), (19, 1061915420), (20, 1008819649), (38, 530957710), (53, 380686660), (76, 265478855), (95, 212383084), (106, 190343330), (190, 106191542), (212, 95171665), (265, 76137332), (380, 53095771), (530, 38068666), (1007, 20036140), (1060, 19034333), (2014, 10018070), (4028, 5009035), (5035, 4007228), (10070, 2003614), (20140, 1001807)]