20291207835

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1\times {\mathrm{8467}}^1$

素因数の和:9483

約数の個数: 32

約数和(自身を含む): 32674828032

約数和(自身を除く): 12383620197

約数列:

[1, 3, 5, 15, 197, 591, 811, 985, 2433, 2955, 4055, 8467, 12165, 25401, 42335, 127005, 159767, 479301, 798835, 1667999, 2396505, 5003997, 6866737, 8339995, 20600211, 25019985, 34333685, 103001055, 1352747189, 4058241567, 6763735945, 20291207835]

約数ペア:

[(1, 20291207835), (3, 6763735945), (5, 4058241567), (15, 1352747189), (197, 103001055), (591, 34333685), (811, 25019985), (985, 20600211), (2433, 8339995), (2955, 6866737), (4055, 5003997), (8467, 2396505), (12165, 1667999), (25401, 798835), (42335, 479301), (127005, 159767)]