20451173580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1\times {\mathrm{3797}}^1$

素因数の和:5136

約数の個数: 144

約数和(自身を含む): 64799227584

約数和(自身を除く): 44348054004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1301, 1380, 2070, 2602, 3797, 3903, 4140, 5204, 6505, 7594, 7806, 11391, 11709, 13010, 15188, 15612, 18985, 19515, 22782, 23418, 26020, 29923, 34173, 37970, 39030, 45564, 46836, 56955, 58545, 59846, 68346, 75940, 78060, 87331, 89769, 113910, 117090, 119692, 136692, 149615, 170865, 174662, 179538, 227820, 234180, 261993, 269307, 299230, 341730, 349324, 359076, 436655, 448845, 523986, 538614, 598460, 683460, 785979, 873310, 897690, 1047972, 1077228, 1309965, 1346535, 1571958, 1746620, 1795380, 2619930, 2693070, 3143916, 3929895, 4939897, 5239860, 5386140, 7859790, 9879794, 14819691, 15719580, 19759588, 24699485, 29639382, 44459073, 49398970, 59278764, 74098455, 88918146, 98797940, 113617631, 148196910, 177836292, 222295365, 227235262, 296393820, 340852893, 444590730, 454470524, 568088155, 681705786, 889181460, 1022558679, 1136176310, 1363411572, 1704264465, 2045117358, 2272352620, 3408528930, 4090234716, 5112793395, 6817057860, 10225586790, 20451173580]

約数ペア:

[(1, 20451173580), (2, 10225586790), (3, 6817057860), (4, 5112793395), (5, 4090234716), (6, 3408528930), (9, 2272352620), (10, 2045117358), (12, 1704264465), (15, 1363411572), (18, 1136176310), (20, 1022558679), (23, 889181460), (30, 681705786), (36, 568088155), (45, 454470524), (46, 444590730), (60, 340852893), (69, 296393820), (90, 227235262), (92, 222295365), (115, 177836292), (138, 148196910), (180, 113617631), (207, 98797940), (230, 88918146), (276, 74098455), (345, 59278764), (414, 49398970), (460, 44459073), (690, 29639382), (828, 24699485), (1035, 19759588), (1301, 15719580), (1380, 14819691), (2070, 9879794), (2602, 7859790), (3797, 5386140), (3903, 5239860), (4140, 4939897), (5204, 3929895), (6505, 3143916), (7594, 2693070), (7806, 2619930), (11391, 1795380), (11709, 1746620), (13010, 1571958), (15188, 1346535), (15612, 1309965), (18985, 1077228), (19515, 1047972), (22782, 897690), (23418, 873310), (26020, 785979), (29923, 683460), (34173, 598460), (37970, 538614), (39030, 523986), (45564, 448845), (46836, 436655), (56955, 359076), (58545, 349324), (59846, 341730), (68346, 299230), (75940, 269307), (78060, 261993), (87331, 234180), (89769, 227820), (113910, 179538), (117090, 174662), (119692, 170865), (136692, 149615)]