20121448256

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{8573}}^1$

素因数の和:8649

約数の個数: 168

約数和(自身を含む): 51012693504

約数和(自身を除く): 30891245248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 169, 182, 208, 217, 224, 248, 338, 364, 403, 416, 434, 448, 496, 676, 728, 806, 832, 868, 992, 1183, 1352, 1456, 1612, 1736, 1984, 2366, 2704, 2821, 2912, 3224, 3472, 4732, 5239, 5408, 5642, 5824, 6448, 6944, 8573, 9464, 10478, 10816, 11284, 12896, 13888, 17146, 18928, 20956, 22568, 25792, 34292, 36673, 37856, 41912, 45136, 60011, 68584, 73346, 75712, 83824, 90272, 111449, 120022, 137168, 146692, 167648, 180544, 222898, 240044, 265763, 274336, 293384, 335296, 445796, 480088, 531526, 548672, 586768, 780143, 891592, 960176, 1063052, 1173536, 1448837, 1560286, 1783184, 1860341, 1920352, 2126104, 2347072, 2897674, 3120572, 3454919, 3566368, 3720682, 3840704, 4252208, 5795348, 6241144, 6909838, 7132736, 7441364, 8504416, 10141859, 11590696, 12482288, 13819676, 14882728, 17008832, 20283718, 23181392, 24184433, 24964576, 27639352, 29765456, 40567436, 44913947, 46362784, 48368866, 49929152, 55278704, 59530912, 81134872, 89827894, 92725568, 96737732, 110557408, 119061824, 162269744, 179655788, 193475464, 221114816, 314397629, 324539488, 359311576, 386950928, 628795258, 649078976, 718623152, 773901856, 1257590516, 1437246304, 1547803712, 2515181032, 2874492608, 5030362064, 10060724128, 20121448256]

約数ペア:

[(1, 20121448256), (2, 10060724128), (4, 5030362064), (7, 2874492608), (8, 2515181032), (13, 1547803712), (14, 1437246304), (16, 1257590516), (26, 773901856), (28, 718623152), (31, 649078976), (32, 628795258), (52, 386950928), (56, 359311576), (62, 324539488), (64, 314397629), (91, 221114816), (104, 193475464), (112, 179655788), (124, 162269744), (169, 119061824), (182, 110557408), (208, 96737732), (217, 92725568), (224, 89827894), (248, 81134872), (338, 59530912), (364, 55278704), (403, 49929152), (416, 48368866), (434, 46362784), (448, 44913947), (496, 40567436), (676, 29765456), (728, 27639352), (806, 24964576), (832, 24184433), (868, 23181392), (992, 20283718), (1183, 17008832), (1352, 14882728), (1456, 13819676), (1612, 12482288), (1736, 11590696), (1984, 10141859), (2366, 8504416), (2704, 7441364), (2821, 7132736), (2912, 6909838), (3224, 6241144), (3472, 5795348), (4732, 4252208), (5239, 3840704), (5408, 3720682), (5642, 3566368), (5824, 3454919), (6448, 3120572), (6944, 2897674), (8573, 2347072), (9464, 2126104), (10478, 1920352), (10816, 1860341), (11284, 1783184), (12896, 1560286), (13888, 1448837), (17146, 1173536), (18928, 1063052), (20956, 960176), (22568, 891592), (25792, 780143), (34292, 586768), (36673, 548672), (37856, 531526), (41912, 480088), (45136, 445796), (60011, 335296), (68584, 293384), (73346, 274336), (75712, 265763), (83824, 240044), (90272, 222898), (111449, 180544), (120022, 167648), (137168, 146692)]