20157516

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5233}}^1$

素因数の和:5350

約数の個数: 36

約数和(自身を含む): 51439752

約数和(自身を除く): 31282236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5233, 10466, 15699, 20932, 31398, 47097, 62796, 94194, 188388, 559931, 1119862, 1679793, 2239724, 3359586, 5039379, 6719172, 10078758, 20157516]

約数ペア:

[(1, 20157516), (2, 10078758), (3, 6719172), (4, 5039379), (6, 3359586), (9, 2239724), (12, 1679793), (18, 1119862), (36, 559931), (107, 188388), (214, 94194), (321, 62796), (428, 47097), (642, 31398), (963, 20932), (1284, 15699), (1926, 10466), (3852, 5233)]