20489910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97571}}^1$

素因数の和:97588

約数の個数: 32

約数和(自身を含む): 56201472

約数和(自身を除く): 35711562

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97571, 195142, 292713, 487855, 585426, 682997, 975710, 1365994, 1463565, 2048991, 2927130, 3414985, 4097982, 6829970, 10244955, 20489910]

約数ペア:

[(1, 20489910), (2, 10244955), (3, 6829970), (5, 4097982), (6, 3414985), (7, 2927130), (10, 2048991), (14, 1463565), (15, 1365994), (21, 975710), (30, 682997), (35, 585426), (42, 487855), (70, 292713), (105, 195142), (210, 97571)]