20804016

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2659}}^1$

素因数の和:2833

約数の個数: 40

約数和(自身を含む): 54093760

約数和(自身を除く): 33289744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2659, 3912, 5318, 7824, 7977, 10636, 15954, 21272, 31908, 42544, 63816, 127632, 433417, 866834, 1300251, 1733668, 2600502, 3467336, 5201004, 6934672, 10402008, 20804016]

約数ペア:

[(1, 20804016), (2, 10402008), (3, 6934672), (4, 5201004), (6, 3467336), (8, 2600502), (12, 1733668), (16, 1300251), (24, 866834), (48, 433417), (163, 127632), (326, 63816), (489, 42544), (652, 31908), (978, 21272), (1304, 15954), (1956, 10636), (2608, 7977), (2659, 7824), (3912, 5318)]