20771484

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35837796

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 23, 34, 38, 46, 51, 57, 68, 69, 76, 92, 102, 114, 138, 204, 228, 233, 276, 323, 391, 437, 466, 646, 699, 782, 874, 932, 969, 1173, 1292, 1311, 1398, 1564, 1748, 1938, 2346, 2622, 2796, 3876, 3961, 4427, 4692, 5244, 5359, 7429, 7922, 8854, 10718, 11883, 13281, 14858, 15844, 16077, 17708, 21436, 22287, 23766, 26562, 29716, 32154, 44574, 47532, 53124, 64308, 75259, 89148, 91103, 101821, 150518, 182206, 203642, 225777, 273309, 301036, 305463, 364412, 407284, 451554, 546618, 610926, 903108, 1093236, 1221852, 1730957, 3461914, 5192871, 6923828, 10385742, 20771484]

約数ペア:

[(1, 20771484), (2, 10385742), (3, 6923828), (4, 5192871), (6, 3461914), (12, 1730957), (17, 1221852), (19, 1093236), (23, 903108), (34, 610926), (38, 546618), (46, 451554), (51, 407284), (57, 364412), (68, 305463), (69, 301036), (76, 273309), (92, 225777), (102, 203642), (114, 182206), (138, 150518), (204, 101821), (228, 91103), (233, 89148), (276, 75259), (323, 64308), (391, 53124), (437, 47532), (466, 44574), (646, 32154), (699, 29716), (782, 26562), (874, 23766), (932, 22287), (969, 21436), (1173, 17708), (1292, 16077), (1311, 15844), (1398, 14858), (1564, 13281), (1748, 11883), (1938, 10718), (2346, 8854), (2622, 7922), (2796, 7429), (3876, 5359), (3961, 5244), (4427, 4692)]