20199428368

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{5309}}^1$

素因数の和:5565

約数の個数: 120

約数和(自身を含む): 47739533760

約数和(自身を除く): 27540105392

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 211, 322, 368, 392, 422, 644, 784, 844, 1127, 1288, 1477, 1688, 2254, 2576, 2954, 3376, 4508, 4853, 5309, 5908, 9016, 9706, 10339, 10618, 11816, 18032, 19412, 20678, 21236, 23632, 33971, 37163, 38824, 41356, 42472, 67942, 74326, 77648, 82712, 84944, 122107, 135884, 148652, 165424, 237797, 244214, 260141, 271768, 297304, 475594, 488428, 520282, 543536, 594608, 854749, 951188, 976856, 1040564, 1120199, 1709498, 1902376, 1953712, 2081128, 2240398, 3418996, 3804752, 4162256, 4480796, 5983243, 6837992, 7841393, 8961592, 11966486, 13675984, 15682786, 17923184, 23932972, 25764577, 31365572, 47865944, 51529154, 54889751, 62731144, 95731888, 103058308, 109779502, 125462288, 180352039, 206116616, 219559004, 360704078, 412233232, 439118008, 721408156, 878236016, 1262464273, 1442816312, 2524928546, 2885632624, 5049857092, 10099714184, 20199428368]

約数ペア:

[(1, 20199428368), (2, 10099714184), (4, 5049857092), (7, 2885632624), (8, 2524928546), (14, 1442816312), (16, 1262464273), (23, 878236016), (28, 721408156), (46, 439118008), (49, 412233232), (56, 360704078), (92, 219559004), (98, 206116616), (112, 180352039), (161, 125462288), (184, 109779502), (196, 103058308), (211, 95731888), (322, 62731144), (368, 54889751), (392, 51529154), (422, 47865944), (644, 31365572), (784, 25764577), (844, 23932972), (1127, 17923184), (1288, 15682786), (1477, 13675984), (1688, 11966486), (2254, 8961592), (2576, 7841393), (2954, 6837992), (3376, 5983243), (4508, 4480796), (4853, 4162256), (5309, 3804752), (5908, 3418996), (9016, 2240398), (9706, 2081128), (10339, 1953712), (10618, 1902376), (11816, 1709498), (18032, 1120199), (19412, 1040564), (20678, 976856), (21236, 951188), (23632, 854749), (33971, 594608), (37163, 543536), (38824, 520282), (41356, 488428), (42472, 475594), (67942, 297304), (74326, 271768), (77648, 260141), (82712, 244214), (84944, 237797), (122107, 165424), (135884, 148652)]