20550210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 33086910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1163, 1178, 1767, 2326, 2945, 3489, 3534, 5815, 5890, 6978, 8835, 11630, 17445, 17670, 22097, 34890, 36053, 44194, 66291, 72106, 108159, 110485, 132582, 180265, 216318, 220970, 331455, 360530, 540795, 662910, 685007, 1081590, 1370014, 2055021, 3425035, 4110042, 6850070, 10275105, 20550210]

約数ペア:

[(1, 20550210), (2, 10275105), (3, 6850070), (5, 4110042), (6, 3425035), (10, 2055021), (15, 1370014), (19, 1081590), (30, 685007), (31, 662910), (38, 540795), (57, 360530), (62, 331455), (93, 220970), (95, 216318), (114, 180265), (155, 132582), (186, 110485), (190, 108159), (285, 72106), (310, 66291), (465, 44194), (570, 36053), (589, 34890), (930, 22097), (1163, 17670), (1178, 17445), (1767, 11630), (2326, 8835), (2945, 6978), (3489, 5890), (3534, 5815)]