20178396

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 64886976

約数和(自身を除く): 44708580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 41, 42, 49, 54, 62, 63, 81, 82, 84, 93, 98, 108, 123, 124, 126, 147, 162, 164, 186, 189, 196, 217, 246, 252, 279, 287, 294, 324, 369, 372, 378, 434, 441, 492, 558, 567, 574, 588, 651, 738, 756, 837, 861, 868, 882, 1107, 1116, 1134, 1148, 1271, 1302, 1323, 1476, 1519, 1674, 1722, 1764, 1953, 2009, 2214, 2268, 2511, 2542, 2583, 2604, 2646, 3038, 3321, 3348, 3444, 3813, 3906, 3969, 4018, 4428, 4557, 5022, 5084, 5166, 5292, 5859, 6027, 6076, 6642, 7626, 7749, 7812, 7938, 8036, 8897, 9114, 10044, 10332, 11439, 11718, 12054, 13284, 13671, 15252, 15498, 15876, 17577, 17794, 18081, 18228, 22878, 23247, 23436, 24108, 26691, 27342, 30996, 34317, 35154, 35588, 36162, 41013, 45756, 46494, 53382, 54243, 54684, 62279, 68634, 70308, 72324, 80073, 82026, 92988, 102951, 106764, 108486, 123039, 124558, 137268, 160146, 162729, 164052, 186837, 205902, 216972, 240219, 246078, 249116, 320292, 325458, 373674, 411804, 480438, 492156, 560511, 650916, 720657, 747348, 960876, 1121022, 1441314, 1681533, 2242044, 2882628, 3363066, 5044599, 6726132, 10089198, 20178396]

約数ペア:

[(1, 20178396), (2, 10089198), (3, 6726132), (4, 5044599), (6, 3363066), (7, 2882628), (9, 2242044), (12, 1681533), (14, 1441314), (18, 1121022), (21, 960876), (27, 747348), (28, 720657), (31, 650916), (36, 560511), (41, 492156), (42, 480438), (49, 411804), (54, 373674), (62, 325458), (63, 320292), (81, 249116), (82, 246078), (84, 240219), (93, 216972), (98, 205902), (108, 186837), (123, 164052), (124, 162729), (126, 160146), (147, 137268), (162, 124558), (164, 123039), (186, 108486), (189, 106764), (196, 102951), (217, 92988), (246, 82026), (252, 80073), (279, 72324), (287, 70308), (294, 68634), (324, 62279), (369, 54684), (372, 54243), (378, 53382), (434, 46494), (441, 45756), (492, 41013), (558, 36162), (567, 35588), (574, 35154), (588, 34317), (651, 30996), (738, 27342), (756, 26691), (837, 24108), (861, 23436), (868, 23247), (882, 22878), (1107, 18228), (1116, 18081), (1134, 17794), (1148, 17577), (1271, 15876), (1302, 15498), (1323, 15252), (1476, 13671), (1519, 13284), (1674, 12054), (1722, 11718), (1764, 11439), (1953, 10332), (2009, 10044), (2214, 9114), (2268, 8897), (2511, 8036), (2542, 7938), (2583, 7812), (2604, 7749), (2646, 7626), (3038, 6642), (3321, 6076), (3348, 6027), (3444, 5859), (3813, 5292), (3906, 5166), (3969, 5084), (4018, 5022), (4428, 4557)]