20240380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 23577380

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 137, 166, 178, 274, 332, 356, 415, 445, 548, 685, 830, 890, 1370, 1660, 1780, 2740, 7387, 11371, 12193, 14774, 22742, 24386, 29548, 36935, 45484, 48772, 56855, 60965, 73870, 113710, 121930, 147740, 227420, 243860, 1012019, 2024038, 4048076, 5060095, 10120190, 20240380]

約数ペア:

[(1, 20240380), (2, 10120190), (4, 5060095), (5, 4048076), (10, 2024038), (20, 1012019), (83, 243860), (89, 227420), (137, 147740), (166, 121930), (178, 113710), (274, 73870), (332, 60965), (356, 56855), (415, 48772), (445, 45484), (548, 36935), (685, 29548), (830, 24386), (890, 22742), (1370, 14774), (1660, 12193), (1780, 11371), (2740, 7387)]