20456083926

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{7549}}^1$

素因数の和:7995

約数の個数: 80

約数和(自身を含む): 47029554000

約数和(自身を除く): 26573470074

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 389, 774, 778, 1161, 1167, 2322, 2334, 3483, 3501, 6966, 7002, 7549, 10503, 15098, 16727, 21006, 22647, 31509, 33454, 45294, 50181, 63018, 67941, 100362, 135882, 150543, 203823, 301086, 324607, 407646, 451629, 611469, 649214, 903258, 973821, 1222938, 1354887, 1947642, 2709774, 2921463, 2936561, 5842926, 5873122, 8764389, 8809683, 17528778, 17619366, 26293167, 26429049, 52586334, 52858098, 79287147, 126272123, 158574294, 237861441, 252544246, 378816369, 475722882, 757632738, 1136449107, 2272898214, 3409347321, 6818694642, 10228041963, 20456083926]

約数ペア:

[(1, 20456083926), (2, 10228041963), (3, 6818694642), (6, 3409347321), (9, 2272898214), (18, 1136449107), (27, 757632738), (43, 475722882), (54, 378816369), (81, 252544246), (86, 237861441), (129, 158574294), (162, 126272123), (258, 79287147), (387, 52858098), (389, 52586334), (774, 26429049), (778, 26293167), (1161, 17619366), (1167, 17528778), (2322, 8809683), (2334, 8764389), (3483, 5873122), (3501, 5842926), (6966, 2936561), (7002, 2921463), (7549, 2709774), (10503, 1947642), (15098, 1354887), (16727, 1222938), (21006, 973821), (22647, 903258), (31509, 649214), (33454, 611469), (45294, 451629), (50181, 407646), (63018, 324607), (67941, 301086), (100362, 203823), (135882, 150543)]