20712062

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 36664320

約数和(自身を除く): 15952258

約数列:

[1, 2, 7, 14, 61, 79, 122, 158, 307, 427, 553, 614, 854, 1106, 2149, 4298, 4819, 9638, 18727, 24253, 33733, 37454, 48506, 67466, 131089, 169771, 262178, 339542, 1479433, 2958866, 10356031, 20712062]

約数ペア:

[(1, 20712062), (2, 10356031), (7, 2958866), (14, 1479433), (61, 339542), (79, 262178), (122, 169771), (158, 131089), (307, 67466), (427, 48506), (553, 37454), (614, 33733), (854, 24253), (1106, 18727), (2149, 9638), (4298, 4819)]