20812064

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1058

約数の個数: 72

約数和(自身を含む): 51380028

約数和(自身を除く): 30567964

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1021, 1274, 1456, 1568, 2042, 2548, 2912, 4084, 5096, 7147, 8168, 10192, 13273, 14294, 16336, 20384, 26546, 28588, 32672, 50029, 53092, 57176, 92911, 100058, 106184, 114352, 185822, 200116, 212368, 228704, 371644, 400232, 424736, 650377, 743288, 800464, 1300754, 1486576, 1600928, 2601508, 2973152, 5203016, 10406032, 20812064]

約数ペア:

[(1, 20812064), (2, 10406032), (4, 5203016), (7, 2973152), (8, 2601508), (13, 1600928), (14, 1486576), (16, 1300754), (26, 800464), (28, 743288), (32, 650377), (49, 424736), (52, 400232), (56, 371644), (91, 228704), (98, 212368), (104, 200116), (112, 185822), (182, 114352), (196, 106184), (208, 100058), (224, 92911), (364, 57176), (392, 53092), (416, 50029), (637, 32672), (728, 28588), (784, 26546), (1021, 20384), (1274, 16336), (1456, 14294), (1568, 13273), (2042, 10192), (2548, 8168), (2912, 7147), (4084, 5096)]