20147984636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:596

約数の個数: 144

約数和(自身を含む): 42259472640

約数和(自身を除く): 22111488004

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 169, 241, 247, 283, 299, 338, 437, 482, 494, 566, 598, 676, 874, 964, 988, 1132, 1196, 1748, 3133, 3211, 3679, 3887, 4579, 5377, 5543, 5681, 6266, 6422, 6509, 7358, 7774, 9158, 10754, 11086, 11362, 12532, 12844, 13018, 14716, 15548, 18316, 21508, 22172, 22724, 26036, 40729, 47827, 59527, 68203, 69901, 72059, 73853, 81458, 84617, 95654, 105317, 119054, 123671, 136406, 139802, 144118, 147706, 162916, 169234, 191308, 210634, 238108, 247342, 272812, 279604, 288236, 295412, 338468, 421268, 494684, 773851, 886639, 908713, 936767, 1100021, 1295857, 1369121, 1547702, 1568669, 1607723, 1773278, 1817426, 1873534, 2200042, 2591714, 2738242, 3095404, 3137338, 3215446, 3546556, 3634852, 3747068, 4400084, 5183428, 5476484, 6274676, 6430892, 11526307, 16846141, 17798573, 20392697, 20900399, 23052614, 29804711, 33692282, 35597146, 40785394, 41800798, 46105228, 59609422, 67384564, 71194292, 81570788, 83601596, 119218844, 218999833, 265105061, 387461243, 437999666, 530210122, 774922486, 875999332, 1060420244, 1549844972, 5036996159, 10073992318, 20147984636]

約数ペア:

[(1, 20147984636), (2, 10073992318), (4, 5036996159), (13, 1549844972), (19, 1060420244), (23, 875999332), (26, 774922486), (38, 530210122), (46, 437999666), (52, 387461243), (76, 265105061), (92, 218999833), (169, 119218844), (241, 83601596), (247, 81570788), (283, 71194292), (299, 67384564), (338, 59609422), (437, 46105228), (482, 41800798), (494, 40785394), (566, 35597146), (598, 33692282), (676, 29804711), (874, 23052614), (964, 20900399), (988, 20392697), (1132, 17798573), (1196, 16846141), (1748, 11526307), (3133, 6430892), (3211, 6274676), (3679, 5476484), (3887, 5183428), (4579, 4400084), (5377, 3747068), (5543, 3634852), (5681, 3546556), (6266, 3215446), (6422, 3137338), (6509, 3095404), (7358, 2738242), (7774, 2591714), (9158, 2200042), (10754, 1873534), (11086, 1817426), (11362, 1773278), (12532, 1607723), (12844, 1568669), (13018, 1547702), (14716, 1369121), (15548, 1295857), (18316, 1100021), (21508, 936767), (22172, 908713), (22724, 886639), (26036, 773851), (40729, 494684), (47827, 421268), (59527, 338468), (68203, 295412), (69901, 288236), (72059, 279604), (73853, 272812), (81458, 247342), (84617, 238108), (95654, 210634), (105317, 191308), (119054, 169234), (123671, 162916), (136406, 147706), (139802, 144118)]