20165566456

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4338547}}^1$

素因数の和:4338643

約数の個数: 32

約数和(自身を含む): 43732563840

約数和(自身を除く): 23566997384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 4338547, 8677094, 17354188, 30369829, 34708376, 60739658, 121479316, 242958632, 360099401, 720198802, 1440397604, 2520695807, 2880795208, 5041391614, 10082783228, 20165566456]

約数ペア:

[(1, 20165566456), (2, 10082783228), (4, 5041391614), (7, 2880795208), (8, 2520695807), (14, 1440397604), (28, 720198802), (56, 360099401), (83, 242958632), (166, 121479316), (332, 60739658), (581, 34708376), (664, 30369829), (1162, 17354188), (2324, 8677094), (4648, 4338547)]