20738312

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3461}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 44867520

約数和(自身を除く): 24129208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3461, 5992, 6922, 13844, 24227, 27688, 48454, 96908, 193816, 370327, 740654, 1481308, 2592289, 2962616, 5184578, 10369156, 20738312]

約数ペア:

[(1, 20738312), (2, 10369156), (4, 5184578), (7, 2962616), (8, 2592289), (14, 1481308), (28, 740654), (56, 370327), (107, 193816), (214, 96908), (428, 48454), (749, 27688), (856, 24227), (1498, 13844), (2996, 6922), (3461, 5992)]