20492726408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{63853}}^1$

素因数の和:64398

約数の個数: 64

約数和(自身を含む): 47997774720

約数和(自身を除く): 27505048312

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 521, 616, 1042, 2084, 3647, 4168, 5731, 7294, 11462, 14588, 22924, 29176, 40117, 45848, 63853, 80234, 127706, 160468, 255412, 320936, 446971, 510824, 702383, 893942, 1404766, 1787884, 2809532, 3575768, 4916681, 5619064, 9833362, 19666724, 33267413, 39333448, 66534826, 133069652, 232871891, 266139304, 365941543, 465743782, 731883086, 931487564, 1463766172, 1862975128, 2561590801, 2927532344, 5123181602, 10246363204, 20492726408]

約数ペア:

[(1, 20492726408), (2, 10246363204), (4, 5123181602), (7, 2927532344), (8, 2561590801), (11, 1862975128), (14, 1463766172), (22, 931487564), (28, 731883086), (44, 465743782), (56, 365941543), (77, 266139304), (88, 232871891), (154, 133069652), (308, 66534826), (521, 39333448), (616, 33267413), (1042, 19666724), (2084, 9833362), (3647, 5619064), (4168, 4916681), (5731, 3575768), (7294, 2809532), (11462, 1787884), (14588, 1404766), (22924, 893942), (29176, 702383), (40117, 510824), (45848, 446971), (63853, 320936), (80234, 255412), (127706, 160468)]