20921837274

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{1831}}^1$

素因数の和:2293

約数の個数: 128

約数和(自身を含む): 51447836160

約数和(自身を除く): 30525998886

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 397, 533, 702, 738, 794, 1066, 1107, 1191, 1599, 1831, 2214, 2382, 3198, 3573, 3662, 4797, 5161, 5493, 7146, 9594, 10322, 10719, 10986, 14391, 15483, 16277, 16479, 21438, 23803, 28782, 30966, 32554, 32958, 46449, 47606, 48831, 49437, 71409, 75071, 92898, 97662, 98874, 139347, 142818, 146493, 150142, 211601, 214227, 225213, 278694, 292986, 423202, 428454, 439479, 450426, 634803, 642681, 675639, 726907, 878958, 975923, 1269606, 1285362, 1351278, 1453814, 1904409, 1951846, 2026917, 2180721, 2927769, 3808818, 4053834, 4361442, 5713227, 5855538, 6542163, 8783307, 9449791, 11426454, 13084326, 17566614, 18899582, 19626489, 26349921, 28349373, 29803187, 39252978, 52699842, 56698746, 59606374, 85048119, 89409561, 170096238, 178819122, 255144357, 268228683, 387441431, 510288714, 536457366, 774882862, 804686049, 1162324293, 1609372098, 2324648586, 3486972879, 6973945758, 10460918637, 20921837274]

約数ペア:

[(1, 20921837274), (2, 10460918637), (3, 6973945758), (6, 3486972879), (9, 2324648586), (13, 1609372098), (18, 1162324293), (26, 804686049), (27, 774882862), (39, 536457366), (41, 510288714), (54, 387441431), (78, 268228683), (82, 255144357), (117, 178819122), (123, 170096238), (234, 89409561), (246, 85048119), (351, 59606374), (369, 56698746), (397, 52699842), (533, 39252978), (702, 29803187), (738, 28349373), (794, 26349921), (1066, 19626489), (1107, 18899582), (1191, 17566614), (1599, 13084326), (1831, 11426454), (2214, 9449791), (2382, 8783307), (3198, 6542163), (3573, 5855538), (3662, 5713227), (4797, 4361442), (5161, 4053834), (5493, 3808818), (7146, 2927769), (9594, 2180721), (10322, 2026917), (10719, 1951846), (10986, 1904409), (14391, 1453814), (15483, 1351278), (16277, 1285362), (16479, 1269606), (21438, 975923), (23803, 878958), (28782, 726907), (30966, 675639), (32554, 642681), (32958, 634803), (46449, 450426), (47606, 439479), (48831, 428454), (49437, 423202), (71409, 292986), (75071, 278694), (92898, 225213), (97662, 214227), (98874, 211601), (139347, 150142), (142818, 146493)]