20201216

素因数分解:

$2^8\times 7^1\times {\mathrm{11273}}^1$

素因数の和:11296

約数の個数: 36

約数和(自身を含む): 46088112

約数和(自身を除く): 25886896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11273, 22546, 45092, 78911, 90184, 157822, 180368, 315644, 360736, 631288, 721472, 1262576, 1442944, 2525152, 2885888, 5050304, 10100608, 20201216]

約数ペア:

[(1, 20201216), (2, 10100608), (4, 5050304), (7, 2885888), (8, 2525152), (14, 1442944), (16, 1262576), (28, 721472), (32, 631288), (56, 360736), (64, 315644), (112, 180368), (128, 157822), (224, 90184), (256, 78911), (448, 45092), (896, 22546), (1792, 11273)]