20105639680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{77377}}^1$

素因数の和:77434

約数の個数: 144

約数和(自身を含む): 56937827520

約数和(自身を除く): 36832187840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1280, 1624, 1792, 1856, 2030, 2240, 2320, 3248, 3712, 4060, 4480, 4640, 6496, 7424, 8120, 8960, 9280, 12992, 16240, 18560, 25984, 32480, 37120, 51968, 64960, 77377, 129920, 154754, 259840, 309508, 386885, 541639, 619016, 773770, 1083278, 1238032, 1547540, 2166556, 2243933, 2476064, 2708195, 3095080, 4333112, 4487866, 4952128, 5416390, 6190160, 8666224, 8975732, 9904256, 10832780, 11219665, 12380320, 15707531, 17332448, 17951464, 19808512, 21665560, 22439330, 24760640, 31415062, 34664896, 35902928, 43331120, 44878660, 49521280, 62830124, 69329792, 71805856, 78537655, 86662240, 89757320, 99042560, 125660248, 138659584, 143611712, 157075310, 173324480, 179514640, 251320496, 287223424, 314150620, 346648960, 359029280, 502640992, 574446848, 628301240, 693297920, 718058560, 1005281984, 1256602480, 1436117120, 2010563968, 2513204960, 2872234240, 4021127936, 5026409920, 10052819840, 20105639680]

約数ペア:

[(1, 20105639680), (2, 10052819840), (4, 5026409920), (5, 4021127936), (7, 2872234240), (8, 2513204960), (10, 2010563968), (14, 1436117120), (16, 1256602480), (20, 1005281984), (28, 718058560), (29, 693297920), (32, 628301240), (35, 574446848), (40, 502640992), (56, 359029280), (58, 346648960), (64, 314150620), (70, 287223424), (80, 251320496), (112, 179514640), (116, 173324480), (128, 157075310), (140, 143611712), (145, 138659584), (160, 125660248), (203, 99042560), (224, 89757320), (232, 86662240), (256, 78537655), (280, 71805856), (290, 69329792), (320, 62830124), (406, 49521280), (448, 44878660), (464, 43331120), (560, 35902928), (580, 34664896), (640, 31415062), (812, 24760640), (896, 22439330), (928, 21665560), (1015, 19808512), (1120, 17951464), (1160, 17332448), (1280, 15707531), (1624, 12380320), (1792, 11219665), (1856, 10832780), (2030, 9904256), (2240, 8975732), (2320, 8666224), (3248, 6190160), (3712, 5416390), (4060, 4952128), (4480, 4487866), (4640, 4333112), (6496, 3095080), (7424, 2708195), (8120, 2476064), (8960, 2243933), (9280, 2166556), (12992, 1547540), (16240, 1238032), (18560, 1083278), (25984, 773770), (32480, 619016), (37120, 541639), (51968, 386885), (64960, 309508), (77377, 259840), (129920, 154754)]