20624040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 68234400

約数和(自身を除く): 47610360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 971, 1062, 1180, 1416, 1770, 1942, 2124, 2360, 2655, 2913, 3540, 3884, 4248, 4855, 5310, 5826, 7080, 7768, 8739, 9710, 10620, 11652, 14565, 17478, 19420, 21240, 23304, 29130, 34956, 38840, 43695, 57289, 58260, 69912, 87390, 114578, 116520, 171867, 174780, 229156, 286445, 343734, 349560, 458312, 515601, 572890, 687468, 859335, 1031202, 1145780, 1374936, 1718670, 2062404, 2291560, 2578005, 3437340, 4124808, 5156010, 6874680, 10312020, 20624040]

約数ペア:

[(1, 20624040), (2, 10312020), (3, 6874680), (4, 5156010), (5, 4124808), (6, 3437340), (8, 2578005), (9, 2291560), (10, 2062404), (12, 1718670), (15, 1374936), (18, 1145780), (20, 1031202), (24, 859335), (30, 687468), (36, 572890), (40, 515601), (45, 458312), (59, 349560), (60, 343734), (72, 286445), (90, 229156), (118, 174780), (120, 171867), (177, 116520), (180, 114578), (236, 87390), (295, 69912), (354, 58260), (360, 57289), (472, 43695), (531, 38840), (590, 34956), (708, 29130), (885, 23304), (971, 21240), (1062, 19420), (1180, 17478), (1416, 14565), (1770, 11652), (1942, 10620), (2124, 9710), (2360, 8739), (2655, 7768), (2913, 7080), (3540, 5826), (3884, 5310), (4248, 4855)]