20409648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 46252752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 38, 42, 46, 48, 56, 57, 69, 76, 84, 92, 112, 114, 133, 138, 139, 152, 161, 168, 184, 228, 266, 276, 278, 304, 322, 336, 368, 399, 417, 437, 456, 483, 532, 552, 556, 644, 798, 834, 874, 912, 966, 973, 1064, 1104, 1112, 1288, 1311, 1596, 1668, 1748, 1932, 1946, 2128, 2224, 2576, 2622, 2641, 2919, 3059, 3192, 3197, 3336, 3496, 3864, 3892, 5244, 5282, 5838, 6118, 6384, 6394, 6672, 6992, 7728, 7784, 7923, 9177, 9591, 10488, 10564, 11676, 12236, 12788, 15568, 15846, 18354, 18487, 19182, 20976, 21128, 22379, 23352, 24472, 25576, 31692, 36708, 36974, 38364, 42256, 44758, 46704, 48944, 51152, 55461, 60743, 63384, 67137, 73416, 73948, 76728, 89516, 110922, 121486, 126768, 134274, 146832, 147896, 153456, 179032, 182229, 221844, 242972, 268548, 295792, 358064, 364458, 425201, 443688, 485944, 537096, 728916, 850402, 887376, 971888, 1074192, 1275603, 1457832, 1700804, 2551206, 2915664, 3401608, 5102412, 6803216, 10204824, 20409648]

約数ペア:

[(1, 20409648), (2, 10204824), (3, 6803216), (4, 5102412), (6, 3401608), (7, 2915664), (8, 2551206), (12, 1700804), (14, 1457832), (16, 1275603), (19, 1074192), (21, 971888), (23, 887376), (24, 850402), (28, 728916), (38, 537096), (42, 485944), (46, 443688), (48, 425201), (56, 364458), (57, 358064), (69, 295792), (76, 268548), (84, 242972), (92, 221844), (112, 182229), (114, 179032), (133, 153456), (138, 147896), (139, 146832), (152, 134274), (161, 126768), (168, 121486), (184, 110922), (228, 89516), (266, 76728), (276, 73948), (278, 73416), (304, 67137), (322, 63384), (336, 60743), (368, 55461), (399, 51152), (417, 48944), (437, 46704), (456, 44758), (483, 42256), (532, 38364), (552, 36974), (556, 36708), (644, 31692), (798, 25576), (834, 24472), (874, 23352), (912, 22379), (966, 21128), (973, 20976), (1064, 19182), (1104, 18487), (1112, 18354), (1288, 15846), (1311, 15568), (1596, 12788), (1668, 12236), (1748, 11676), (1932, 10564), (1946, 10488), (2128, 9591), (2224, 9177), (2576, 7923), (2622, 7784), (2641, 7728), (2919, 6992), (3059, 6672), (3192, 6394), (3197, 6384), (3336, 6118), (3496, 5838), (3864, 5282), (3892, 5244)]