20879568

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2377}}^1$

素因数の和:2452

約数の個数: 60

約数和(自身を含む): 59416708

約数和(自身を除く): 38537140

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2377, 2928, 4392, 4754, 7131, 8784, 9508, 14262, 19016, 21393, 28524, 38032, 42786, 57048, 85572, 114096, 144997, 171144, 289994, 342288, 434991, 579988, 869982, 1159976, 1304973, 1739964, 2319952, 2609946, 3479928, 5219892, 6959856, 10439784, 20879568]

約数ペア:

[(1, 20879568), (2, 10439784), (3, 6959856), (4, 5219892), (6, 3479928), (8, 2609946), (9, 2319952), (12, 1739964), (16, 1304973), (18, 1159976), (24, 869982), (36, 579988), (48, 434991), (61, 342288), (72, 289994), (122, 171144), (144, 144997), (183, 114096), (244, 85572), (366, 57048), (488, 42786), (549, 38032), (732, 28524), (976, 21393), (1098, 19016), (1464, 14262), (2196, 9508), (2377, 8784), (2928, 7131), (4392, 4754)]