20089580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 53415936

約数和(自身を除く): 33326356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 367, 391, 460, 476, 595, 644, 734, 782, 805, 1190, 1468, 1564, 1610, 1835, 1955, 2380, 2569, 2737, 3220, 3670, 3910, 5138, 5474, 6239, 7340, 7820, 8441, 10276, 10948, 12478, 12845, 13685, 16882, 24956, 25690, 27370, 31195, 33764, 42205, 43673, 51380, 54740, 59087, 62390, 84410, 87346, 118174, 124780, 143497, 168820, 174692, 218365, 236348, 286994, 295435, 436730, 573988, 590870, 717485, 873460, 1004479, 1181740, 1434970, 2008958, 2869940, 4017916, 5022395, 10044790, 20089580]

約数ペア:

[(1, 20089580), (2, 10044790), (4, 5022395), (5, 4017916), (7, 2869940), (10, 2008958), (14, 1434970), (17, 1181740), (20, 1004479), (23, 873460), (28, 717485), (34, 590870), (35, 573988), (46, 436730), (68, 295435), (70, 286994), (85, 236348), (92, 218365), (115, 174692), (119, 168820), (140, 143497), (161, 124780), (170, 118174), (230, 87346), (238, 84410), (322, 62390), (340, 59087), (367, 54740), (391, 51380), (460, 43673), (476, 42205), (595, 33764), (644, 31195), (734, 27370), (782, 25690), (805, 24956), (1190, 16882), (1468, 13685), (1564, 12845), (1610, 12478), (1835, 10948), (1955, 10276), (2380, 8441), (2569, 7820), (2737, 7340), (3220, 6239), (3670, 5474), (3910, 5138)]