20045844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 64821120

約数和(自身を除く): 44775276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 39, 42, 52, 58, 63, 78, 84, 87, 91, 116, 117, 126, 156, 174, 182, 203, 211, 234, 252, 261, 273, 348, 364, 377, 406, 422, 468, 522, 546, 609, 633, 754, 812, 819, 844, 1044, 1092, 1131, 1218, 1266, 1477, 1508, 1638, 1827, 1899, 2262, 2436, 2532, 2639, 2743, 2954, 3276, 3393, 3654, 3798, 4431, 4524, 5278, 5486, 5908, 6119, 6786, 7308, 7596, 7917, 8229, 8862, 10556, 10972, 12238, 13293, 13572, 15834, 16458, 17724, 18357, 19201, 23751, 24476, 24687, 26586, 31668, 32916, 36714, 38402, 42833, 47502, 49374, 53172, 55071, 57603, 73428, 76804, 79547, 85666, 95004, 98748, 110142, 115206, 128499, 159094, 171332, 172809, 220284, 230412, 238641, 256998, 318188, 345618, 385497, 477282, 513996, 556829, 691236, 715923, 770994, 954564, 1113658, 1431846, 1541988, 1670487, 2227316, 2863692, 3340974, 5011461, 6681948, 10022922, 20045844]

約数ペア:

[(1, 20045844), (2, 10022922), (3, 6681948), (4, 5011461), (6, 3340974), (7, 2863692), (9, 2227316), (12, 1670487), (13, 1541988), (14, 1431846), (18, 1113658), (21, 954564), (26, 770994), (28, 715923), (29, 691236), (36, 556829), (39, 513996), (42, 477282), (52, 385497), (58, 345618), (63, 318188), (78, 256998), (84, 238641), (87, 230412), (91, 220284), (116, 172809), (117, 171332), (126, 159094), (156, 128499), (174, 115206), (182, 110142), (203, 98748), (211, 95004), (234, 85666), (252, 79547), (261, 76804), (273, 73428), (348, 57603), (364, 55071), (377, 53172), (406, 49374), (422, 47502), (468, 42833), (522, 38402), (546, 36714), (609, 32916), (633, 31668), (754, 26586), (812, 24687), (819, 24476), (844, 23751), (1044, 19201), (1092, 18357), (1131, 17724), (1218, 16458), (1266, 15834), (1477, 13572), (1508, 13293), (1638, 12238), (1827, 10972), (1899, 10556), (2262, 8862), (2436, 8229), (2532, 7917), (2639, 7596), (2743, 7308), (2954, 6786), (3276, 6119), (3393, 5908), (3654, 5486), (3798, 5278), (4431, 4524)]