20186407875

素因数分解:

$3^1\times 5^3\times {\mathrm{397}}^1\times {\mathrm{135593}}^1$

素因数の和:136008

約数の個数: 32

約数和(自身を含む): 33675041088

約数和(自身を除く): 13488633213

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 397, 1191, 1985, 5955, 9925, 29775, 49625, 135593, 148875, 406779, 677965, 2033895, 3389825, 10169475, 16949125, 50847375, 53830421, 161491263, 269152105, 807456315, 1345760525, 4037281575, 6728802625, 20186407875]

約数ペア:

[(1, 20186407875), (3, 6728802625), (5, 4037281575), (15, 1345760525), (25, 807456315), (75, 269152105), (125, 161491263), (375, 53830421), (397, 50847375), (1191, 16949125), (1985, 10169475), (5955, 3389825), (9925, 2033895), (29775, 677965), (49625, 406779), (135593, 148875)]