20621700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2083}}^1$

素因数の和:2114

約数の個数: 108

約数和(自身を含む): 70547568

約数和(自身を除く): 49925868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2083, 2475, 3300, 4166, 4950, 6249, 8332, 9900, 10415, 12498, 18747, 20830, 22913, 24996, 31245, 37494, 41660, 45826, 52075, 62490, 68739, 74988, 91652, 93735, 104150, 114565, 124980, 137478, 156225, 187470, 206217, 208300, 229130, 274956, 312450, 343695, 374940, 412434, 458260, 468675, 572825, 624900, 687390, 824868, 937350, 1031085, 1145650, 1374780, 1718475, 1874700, 2062170, 2291300, 3436950, 4124340, 5155425, 6873900, 10310850, 20621700]

約数ペア:

[(1, 20621700), (2, 10310850), (3, 6873900), (4, 5155425), (5, 4124340), (6, 3436950), (9, 2291300), (10, 2062170), (11, 1874700), (12, 1718475), (15, 1374780), (18, 1145650), (20, 1031085), (22, 937350), (25, 824868), (30, 687390), (33, 624900), (36, 572825), (44, 468675), (45, 458260), (50, 412434), (55, 374940), (60, 343695), (66, 312450), (75, 274956), (90, 229130), (99, 208300), (100, 206217), (110, 187470), (132, 156225), (150, 137478), (165, 124980), (180, 114565), (198, 104150), (220, 93735), (225, 91652), (275, 74988), (300, 68739), (330, 62490), (396, 52075), (450, 45826), (495, 41660), (550, 37494), (660, 31245), (825, 24996), (900, 22913), (990, 20830), (1100, 18747), (1650, 12498), (1980, 10415), (2083, 9900), (2475, 8332), (3300, 6249), (4166, 4950)]