20996834728

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{1567}}^1\times {\mathrm{6673}}^1$

素因数の和:8497

約数の個数: 32

約数和(自身を含む): 39557064960

約数和(自身を除く): 18560230232

約数列:

[1, 2, 4, 8, 251, 502, 1004, 1567, 2008, 3134, 6268, 6673, 12536, 13346, 26692, 53384, 393317, 786634, 1573268, 1674923, 3146536, 3349846, 6699692, 10456591, 13399384, 20913182, 41826364, 83652728, 2624604341, 5249208682, 10498417364, 20996834728]

約数ペア:

[(1, 20996834728), (2, 10498417364), (4, 5249208682), (8, 2624604341), (251, 83652728), (502, 41826364), (1004, 20913182), (1567, 13399384), (2008, 10456591), (3134, 6699692), (6268, 3349846), (6673, 3146536), (12536, 1674923), (13346, 1573268), (26692, 786634), (53384, 393317)]