20438295

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13430505

約数列:

[1, 3, 5, 15, 41, 123, 167, 199, 205, 501, 597, 615, 835, 995, 2505, 2985, 6847, 8159, 20541, 24477, 33233, 34235, 40795, 99699, 102705, 122385, 166165, 498495, 1362553, 4087659, 6812765, 20438295]

約数ペア:

[(1, 20438295), (3, 6812765), (5, 4087659), (15, 1362553), (41, 498495), (123, 166165), (167, 122385), (199, 102705), (205, 99699), (501, 40795), (597, 34235), (615, 33233), (835, 24477), (995, 20541), (2505, 8159), (2985, 6847)]