20191470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2297

約数の個数: 64

約数和(自身を含む): 54480384

約数和(自身を除く): 34288914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2251, 2990, 4485, 4502, 6753, 8970, 11255, 13506, 22510, 29263, 33765, 51773, 58526, 67530, 87789, 103546, 146315, 155319, 175578, 258865, 292630, 310638, 438945, 517730, 673049, 776595, 877890, 1346098, 1553190, 2019147, 3365245, 4038294, 6730490, 10095735, 20191470]

約数ペア:

[(1, 20191470), (2, 10095735), (3, 6730490), (5, 4038294), (6, 3365245), (10, 2019147), (13, 1553190), (15, 1346098), (23, 877890), (26, 776595), (30, 673049), (39, 517730), (46, 438945), (65, 310638), (69, 292630), (78, 258865), (115, 175578), (130, 155319), (138, 146315), (195, 103546), (230, 87789), (299, 67530), (345, 58526), (390, 51773), (598, 33765), (690, 29263), (897, 22510), (1495, 13506), (1794, 11255), (2251, 8970), (2990, 6753), (4485, 4502)]