20315820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48371}}^1$

素因数の和:48390

約数の個数: 48

約数和(自身を含む): 65011968

約数和(自身を除く): 44696148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48371, 96742, 145113, 193484, 241855, 290226, 338597, 483710, 580452, 677194, 725565, 967420, 1015791, 1354388, 1451130, 1692985, 2031582, 2902260, 3385970, 4063164, 5078955, 6771940, 10157910, 20315820]

約数ペア:

[(1, 20315820), (2, 10157910), (3, 6771940), (4, 5078955), (5, 4063164), (6, 3385970), (7, 2902260), (10, 2031582), (12, 1692985), (14, 1451130), (15, 1354388), (20, 1015791), (21, 967420), (28, 725565), (30, 677194), (35, 580452), (42, 483710), (60, 338597), (70, 290226), (84, 241855), (105, 193484), (140, 145113), (210, 96742), (420, 48371)]