20446790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22469}}^1$

素因数の和:22496

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 24852730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22469, 44938, 112345, 157283, 224690, 292097, 314566, 584194, 786415, 1460485, 1572830, 2044679, 2920970, 4089358, 10223395, 20446790]

約数ペア:

[(1, 20446790), (2, 10223395), (5, 4089358), (7, 2920970), (10, 2044679), (13, 1572830), (14, 1460485), (26, 786415), (35, 584194), (65, 314566), (70, 292097), (91, 224690), (130, 157283), (182, 112345), (455, 44938), (910, 22469)]