20108529840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1709909}}^1$

素因数の和:1709939

約数の個数: 120

約数和(自身を含む): 72513863280

約数和(自身を除く): 52405333440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1709909, 3419818, 5129727, 6839636, 8549545, 10259454, 11969363, 13679272, 17099090, 20518908, 23938726, 25648635, 27358544, 34198180, 35908089, 41037816, 47877452, 51297270, 59846815, 68396360, 71816178, 82075632, 83785541, 95754904, 102594540, 119693630, 136792720, 143632356, 167571082, 179540445, 191509808, 205189080, 239387260, 251356623, 287264712, 335142164, 359080890, 410378160, 418927705, 478774520, 502713246, 574529424, 670284328, 718161780, 837855410, 957549040, 1005426492, 1256783115, 1340568656, 1436323560, 1675710820, 2010852984, 2513566230, 2872647120, 3351421640, 4021705968, 5027132460, 6702843280, 10054264920, 20108529840]

約数ペア:

[(1, 20108529840), (2, 10054264920), (3, 6702843280), (4, 5027132460), (5, 4021705968), (6, 3351421640), (7, 2872647120), (8, 2513566230), (10, 2010852984), (12, 1675710820), (14, 1436323560), (15, 1340568656), (16, 1256783115), (20, 1005426492), (21, 957549040), (24, 837855410), (28, 718161780), (30, 670284328), (35, 574529424), (40, 502713246), (42, 478774520), (48, 418927705), (49, 410378160), (56, 359080890), (60, 335142164), (70, 287264712), (80, 251356623), (84, 239387260), (98, 205189080), (105, 191509808), (112, 179540445), (120, 167571082), (140, 143632356), (147, 136792720), (168, 119693630), (196, 102594540), (210, 95754904), (240, 83785541), (245, 82075632), (280, 71816178), (294, 68396360), (336, 59846815), (392, 51297270), (420, 47877452), (490, 41037816), (560, 35908089), (588, 34198180), (735, 27358544), (784, 25648635), (840, 23938726), (980, 20518908), (1176, 17099090), (1470, 13679272), (1680, 11969363), (1960, 10259454), (2352, 8549545), (2940, 6839636), (3920, 5129727), (5880, 3419818), (11760, 1709909)]