20535144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3990

約数の個数: 64

約数和(自身を含む): 60579840

約数和(自身を除く): 40044696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 3943, 5208, 7886, 11829, 15772, 23658, 27601, 31544, 47316, 55202, 82803, 94632, 110404, 122233, 165606, 220808, 244466, 331212, 366699, 488932, 662424, 733398, 855631, 977864, 1466796, 1711262, 2566893, 2933592, 3422524, 5133786, 6845048, 10267572, 20535144]

約数ペア:

[(1, 20535144), (2, 10267572), (3, 6845048), (4, 5133786), (6, 3422524), (7, 2933592), (8, 2566893), (12, 1711262), (14, 1466796), (21, 977864), (24, 855631), (28, 733398), (31, 662424), (42, 488932), (56, 366699), (62, 331212), (84, 244466), (93, 220808), (124, 165606), (168, 122233), (186, 110404), (217, 94632), (248, 82803), (372, 55202), (434, 47316), (651, 31544), (744, 27601), (868, 23658), (1302, 15772), (1736, 11829), (2604, 7886), (3943, 5208)]