20509476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4241}}^1$

素因数の和:4292

約数の個数: 48

約数和(自身を含む): 53211648

約数和(自身を除く): 32702172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4241, 4836, 8482, 12723, 16964, 25446, 50892, 55133, 110266, 131471, 165399, 220532, 262942, 330798, 394413, 525884, 661596, 788826, 1577652, 1709123, 3418246, 5127369, 6836492, 10254738, 20509476]

約数ペア:

[(1, 20509476), (2, 10254738), (3, 6836492), (4, 5127369), (6, 3418246), (12, 1709123), (13, 1577652), (26, 788826), (31, 661596), (39, 525884), (52, 394413), (62, 330798), (78, 262942), (93, 220532), (124, 165399), (156, 131471), (186, 110266), (372, 55133), (403, 50892), (806, 25446), (1209, 16964), (1612, 12723), (2418, 8482), (4241, 4836)]