20547730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 46282752

約数和(自身を除く): 25735022

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 85, 119, 155, 170, 217, 238, 310, 434, 527, 557, 595, 1054, 1085, 1114, 1190, 2170, 2635, 2785, 3689, 3899, 5270, 5570, 7378, 7798, 9469, 17267, 18445, 18938, 19495, 34534, 36890, 38990, 47345, 66283, 86335, 94690, 120869, 132566, 172670, 241738, 293539, 331415, 587078, 604345, 662830, 1208690, 1467695, 2054773, 2935390, 4109546, 10273865, 20547730]

約数ペア:

[(1, 20547730), (2, 10273865), (5, 4109546), (7, 2935390), (10, 2054773), (14, 1467695), (17, 1208690), (31, 662830), (34, 604345), (35, 587078), (62, 331415), (70, 293539), (85, 241738), (119, 172670), (155, 132566), (170, 120869), (217, 94690), (238, 86335), (310, 66283), (434, 47345), (527, 38990), (557, 36890), (595, 34534), (1054, 19495), (1085, 18938), (1114, 18445), (1190, 17267), (2170, 9469), (2635, 7798), (2785, 7378), (3689, 5570), (3899, 5270)]