20217267564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{457943}}^1$

素因数の和:458246

約数の個数: 48

約数和(自身を含む): 50981989632

約数和(自身を除く): 30764722068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 283, 566, 849, 1132, 1698, 3396, 3679, 7358, 11037, 14716, 22074, 44148, 457943, 915886, 1373829, 1831772, 2747658, 5495316, 5953259, 11906518, 17859777, 23813036, 35719554, 71439108, 129597869, 259195738, 388793607, 518391476, 777587214, 1555174428, 1684772297, 3369544594, 5054316891, 6739089188, 10108633782, 20217267564]

約数ペア:

[(1, 20217267564), (2, 10108633782), (3, 6739089188), (4, 5054316891), (6, 3369544594), (12, 1684772297), (13, 1555174428), (26, 777587214), (39, 518391476), (52, 388793607), (78, 259195738), (156, 129597869), (283, 71439108), (566, 35719554), (849, 23813036), (1132, 17859777), (1698, 11906518), (3396, 5953259), (3679, 5495316), (7358, 2747658), (11037, 1831772), (14716, 1373829), (22074, 915886), (44148, 457943)]