20291150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 21491890

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 467, 550, 790, 869, 934, 1738, 1975, 2335, 3950, 4345, 4670, 5137, 8690, 10274, 11675, 21725, 23350, 25685, 36893, 43450, 51370, 73786, 128425, 184465, 256850, 368930, 405823, 811646, 922325, 1844650, 2029115, 4058230, 10145575, 20291150]

約数ペア:

[(1, 20291150), (2, 10145575), (5, 4058230), (10, 2029115), (11, 1844650), (22, 922325), (25, 811646), (50, 405823), (55, 368930), (79, 256850), (110, 184465), (158, 128425), (275, 73786), (395, 51370), (467, 43450), (550, 36893), (790, 25685), (869, 23350), (934, 21725), (1738, 11675), (1975, 10274), (2335, 8690), (3950, 5137), (4345, 4670)]