20790252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 66673152

約数和(自身を除く): 45882900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 51, 63, 68, 69, 84, 92, 102, 119, 126, 138, 153, 161, 204, 207, 211, 238, 252, 276, 306, 322, 357, 391, 414, 422, 476, 483, 612, 633, 644, 714, 782, 828, 844, 966, 1071, 1173, 1266, 1428, 1449, 1477, 1564, 1899, 1932, 2142, 2346, 2532, 2737, 2898, 2954, 3519, 3587, 3798, 4284, 4431, 4692, 4853, 5474, 5796, 5908, 7038, 7174, 7596, 8211, 8862, 9706, 10761, 10948, 13293, 14076, 14348, 14559, 16422, 17724, 19412, 21522, 24633, 25109, 26586, 29118, 32283, 32844, 33971, 43044, 43677, 49266, 50218, 53172, 58236, 64566, 67942, 75327, 82501, 87354, 98532, 100436, 101913, 129132, 135884, 150654, 165002, 174708, 203826, 225981, 247503, 301308, 305739, 330004, 407652, 451962, 495006, 577507, 611478, 742509, 903924, 990012, 1155014, 1222956, 1485018, 1732521, 2310028, 2970036, 3465042, 5197563, 6930084, 10395126, 20790252]

約数ペア:

[(1, 20790252), (2, 10395126), (3, 6930084), (4, 5197563), (6, 3465042), (7, 2970036), (9, 2310028), (12, 1732521), (14, 1485018), (17, 1222956), (18, 1155014), (21, 990012), (23, 903924), (28, 742509), (34, 611478), (36, 577507), (42, 495006), (46, 451962), (51, 407652), (63, 330004), (68, 305739), (69, 301308), (84, 247503), (92, 225981), (102, 203826), (119, 174708), (126, 165002), (138, 150654), (153, 135884), (161, 129132), (204, 101913), (207, 100436), (211, 98532), (238, 87354), (252, 82501), (276, 75327), (306, 67942), (322, 64566), (357, 58236), (391, 53172), (414, 50218), (422, 49266), (476, 43677), (483, 43044), (612, 33971), (633, 32844), (644, 32283), (714, 29118), (782, 26586), (828, 25109), (844, 24633), (966, 21522), (1071, 19412), (1173, 17724), (1266, 16422), (1428, 14559), (1449, 14348), (1477, 14076), (1564, 13293), (1899, 10948), (1932, 10761), (2142, 9706), (2346, 8862), (2532, 8211), (2737, 7596), (2898, 7174), (2954, 7038), (3519, 5908), (3587, 5796), (3798, 5474), (4284, 4853), (4431, 4692)]