20784153572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{523847}}^1$

素因数の和:523980

約数の個数: 48

約数和(自身を含む): 45176651520

約数和(自身を除く): 24392497948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 763, 1417, 1526, 2834, 3052, 5668, 9919, 19838, 39676, 523847, 1047694, 2095388, 3666929, 6810011, 7333858, 13620022, 14667716, 27240044, 47670077, 57099323, 95340154, 114198646, 190680308, 228397292, 399695261, 742291199, 799390522, 1484582398, 1598781044, 2969164796, 5196038393, 10392076786, 20784153572]

約数ペア:

[(1, 20784153572), (2, 10392076786), (4, 5196038393), (7, 2969164796), (13, 1598781044), (14, 1484582398), (26, 799390522), (28, 742291199), (52, 399695261), (91, 228397292), (109, 190680308), (182, 114198646), (218, 95340154), (364, 57099323), (436, 47670077), (763, 27240044), (1417, 14667716), (1526, 13620022), (2834, 7333858), (3052, 6810011), (5668, 3666929), (9919, 2095388), (19838, 1047694), (39676, 523847)]