20132461472

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{131}}^2\times {\mathrm{601}}^1$

素因数の和:934

約数の個数: 72

約数和(自身を含む): 40662967716

約数和(自身を除く): 20530506244

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 131, 244, 262, 488, 524, 601, 976, 1048, 1202, 1952, 2096, 2404, 4192, 4808, 7991, 9616, 15982, 17161, 19232, 31964, 34322, 36661, 63928, 68644, 73322, 78731, 127856, 137288, 146644, 157462, 255712, 274576, 293288, 314924, 549152, 586576, 629848, 1046821, 1173152, 1259696, 2093642, 2519392, 4187284, 4802591, 8374568, 9605182, 10313761, 16749136, 19210364, 20627522, 33498272, 38420728, 41255044, 76841456, 82510088, 153682912, 165020176, 330040352, 629139421, 1258278842, 2516557684, 5033115368, 10066230736, 20132461472]

約数ペア:

[(1, 20132461472), (2, 10066230736), (4, 5033115368), (8, 2516557684), (16, 1258278842), (32, 629139421), (61, 330040352), (122, 165020176), (131, 153682912), (244, 82510088), (262, 76841456), (488, 41255044), (524, 38420728), (601, 33498272), (976, 20627522), (1048, 19210364), (1202, 16749136), (1952, 10313761), (2096, 9605182), (2404, 8374568), (4192, 4802591), (4808, 4187284), (7991, 2519392), (9616, 2093642), (15982, 1259696), (17161, 1173152), (19232, 1046821), (31964, 629848), (34322, 586576), (36661, 549152), (63928, 314924), (68644, 293288), (73322, 274576), (78731, 255712), (127856, 157462), (137288, 146644)]