20381136

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13697}}^1$

素因数の和:13739

約数の個数: 40

約数和(自身を含む): 54353664

約数和(自身を除く): 33972528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13697, 27394, 41091, 54788, 82182, 109576, 164364, 219152, 328728, 424607, 657456, 849214, 1273821, 1698428, 2547642, 3396856, 5095284, 6793712, 10190568, 20381136]

約数ペア:

[(1, 20381136), (2, 10190568), (3, 6793712), (4, 5095284), (6, 3396856), (8, 2547642), (12, 1698428), (16, 1273821), (24, 849214), (31, 657456), (48, 424607), (62, 328728), (93, 219152), (124, 164364), (186, 109576), (248, 82182), (372, 54788), (496, 41091), (744, 27394), (1488, 13697)]