20403737325

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{975089}}^1$

素因数の和:975139

約数の個数: 48

約数和(自身を含む): 38691571200

約数和(自身を除く): 18287833875

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 2325, 4185, 6975, 20925, 975089, 2925267, 4875445, 8775801, 14626335, 24377225, 26327403, 30227759, 43879005, 73131675, 90683277, 131637015, 151138795, 219395025, 272049831, 453416385, 658185075, 755693975, 816149493, 1360249155, 2267081925, 4080747465, 6801245775, 20403737325]

約数ペア:

[(1, 20403737325), (3, 6801245775), (5, 4080747465), (9, 2267081925), (15, 1360249155), (25, 816149493), (27, 755693975), (31, 658185075), (45, 453416385), (75, 272049831), (93, 219395025), (135, 151138795), (155, 131637015), (225, 90683277), (279, 73131675), (465, 43879005), (675, 30227759), (775, 26327403), (837, 24377225), (1395, 14626335), (2325, 8775801), (4185, 4875445), (6975, 2925267), (20925, 975089)]