20284860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2269}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 57204000

約数和(自身を除く): 36919140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2269, 2980, 4470, 4538, 6807, 8940, 9076, 11345, 13614, 22690, 27228, 34035, 45380, 68070, 136140, 338081, 676162, 1014243, 1352324, 1690405, 2028486, 3380810, 4056972, 5071215, 6761620, 10142430, 20284860]

約数ペア:

[(1, 20284860), (2, 10142430), (3, 6761620), (4, 5071215), (5, 4056972), (6, 3380810), (10, 2028486), (12, 1690405), (15, 1352324), (20, 1014243), (30, 676162), (60, 338081), (149, 136140), (298, 68070), (447, 45380), (596, 34035), (745, 27228), (894, 22690), (1490, 13614), (1788, 11345), (2235, 9076), (2269, 8940), (2980, 6807), (4470, 4538)]