20029532068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401651}}^1$

素因数の和:401812

約数の個数: 48

約数和(自身を含む): 43455533184

約数和(自身を除く): 23426001116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 959, 1781, 1918, 3562, 3836, 7124, 12467, 24934, 49868, 401651, 803302, 1606604, 2811557, 5221463, 5623114, 10442926, 11246228, 20885852, 36550241, 55026187, 73100482, 110052374, 146200964, 220104748, 385183309, 715340431, 770366618, 1430680862, 1540733236, 2861361724, 5007383017, 10014766034, 20029532068]

約数ペア:

[(1, 20029532068), (2, 10014766034), (4, 5007383017), (7, 2861361724), (13, 1540733236), (14, 1430680862), (26, 770366618), (28, 715340431), (52, 385183309), (91, 220104748), (137, 146200964), (182, 110052374), (274, 73100482), (364, 55026187), (548, 36550241), (959, 20885852), (1781, 11246228), (1918, 10442926), (3562, 5623114), (3836, 5221463), (7124, 2811557), (12467, 1606604), (24934, 803302), (49868, 401651)]