20104295860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 48422308032

約数和(自身を除く): 28318012172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 227, 230, 253, 454, 460, 506, 529, 761, 908, 1012, 1058, 1135, 1265, 1522, 2116, 2270, 2497, 2530, 2645, 3044, 3805, 4540, 4994, 5060, 5221, 5290, 5819, 7610, 8371, 9988, 10442, 10580, 11638, 12485, 15220, 16742, 17503, 20884, 23276, 24970, 26105, 29095, 33484, 35006, 41855, 49940, 52210, 57431, 58190, 70012, 83710, 87515, 104420, 114862, 116380, 120083, 167420, 172747, 175030, 192533, 229724, 240166, 287155, 345494, 350060, 385066, 402569, 480332, 574310, 600415, 690988, 770132, 805138, 863735, 962665, 1148620, 1200830, 1320913, 1610276, 1727470, 1900217, 1925330, 2012845, 2401660, 2641826, 3454940, 3800434, 3850660, 3973181, 4025690, 4428259, 5283652, 6604565, 7600868, 7946362, 8051380, 8856518, 9501085, 13209130, 15892724, 17713036, 19002170, 19865905, 22141295, 26418260, 38004340, 39731810, 43704991, 44282590, 79463620, 87409982, 88565180, 91383163, 174819964, 182766326, 218524955, 365532652, 437049910, 456915815, 874099820, 913831630, 1005214793, 1827663260, 2010429586, 4020859172, 5026073965, 10052147930, 20104295860]

約数ペア:

[(1, 20104295860), (2, 10052147930), (4, 5026073965), (5, 4020859172), (10, 2010429586), (11, 1827663260), (20, 1005214793), (22, 913831630), (23, 874099820), (44, 456915815), (46, 437049910), (55, 365532652), (92, 218524955), (110, 182766326), (115, 174819964), (220, 91383163), (227, 88565180), (230, 87409982), (253, 79463620), (454, 44282590), (460, 43704991), (506, 39731810), (529, 38004340), (761, 26418260), (908, 22141295), (1012, 19865905), (1058, 19002170), (1135, 17713036), (1265, 15892724), (1522, 13209130), (2116, 9501085), (2270, 8856518), (2497, 8051380), (2530, 7946362), (2645, 7600868), (3044, 6604565), (3805, 5283652), (4540, 4428259), (4994, 4025690), (5060, 3973181), (5221, 3850660), (5290, 3800434), (5819, 3454940), (7610, 2641826), (8371, 2401660), (9988, 2012845), (10442, 1925330), (10580, 1900217), (11638, 1727470), (12485, 1610276), (15220, 1320913), (16742, 1200830), (17503, 1148620), (20884, 962665), (23276, 863735), (24970, 805138), (26105, 770132), (29095, 690988), (33484, 600415), (35006, 574310), (41855, 480332), (49940, 402569), (52210, 385066), (57431, 350060), (58190, 345494), (70012, 287155), (83710, 240166), (87515, 229724), (104420, 192533), (114862, 175030), (116380, 172747), (120083, 167420)]