20472660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:714

約数の個数: 108

約数和(自身を含む): 67344732

約数和(自身を除く): 46872072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 673, 676, 780, 845, 1014, 1170, 1346, 1521, 1690, 2019, 2028, 2340, 2535, 2692, 3042, 3365, 3380, 4038, 5070, 6057, 6084, 6730, 7605, 8076, 8749, 10095, 10140, 12114, 13460, 15210, 17498, 20190, 24228, 26247, 30285, 30420, 34996, 40380, 43745, 52494, 60570, 78741, 87490, 104988, 113737, 121140, 131235, 157482, 174980, 227474, 262470, 314964, 341211, 393705, 454948, 524940, 568685, 682422, 787410, 1023633, 1137370, 1364844, 1574820, 1706055, 2047266, 2274740, 3412110, 4094532, 5118165, 6824220, 10236330, 20472660]

約数ペア:

[(1, 20472660), (2, 10236330), (3, 6824220), (4, 5118165), (5, 4094532), (6, 3412110), (9, 2274740), (10, 2047266), (12, 1706055), (13, 1574820), (15, 1364844), (18, 1137370), (20, 1023633), (26, 787410), (30, 682422), (36, 568685), (39, 524940), (45, 454948), (52, 393705), (60, 341211), (65, 314964), (78, 262470), (90, 227474), (117, 174980), (130, 157482), (156, 131235), (169, 121140), (180, 113737), (195, 104988), (234, 87490), (260, 78741), (338, 60570), (390, 52494), (468, 43745), (507, 40380), (585, 34996), (673, 30420), (676, 30285), (780, 26247), (845, 24228), (1014, 20190), (1170, 17498), (1346, 15210), (1521, 13460), (1690, 12114), (2019, 10140), (2028, 10095), (2340, 8749), (2535, 8076), (2692, 7605), (3042, 6730), (3365, 6084), (3380, 6057), (4038, 5070)]