20111520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 74680704

約数和(自身を除く): 54569184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 293, 312, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 586, 624, 660, 715, 780, 858, 879, 880, 1040, 1056, 1144, 1172, 1248, 1320, 1430, 1465, 1560, 1716, 1758, 1760, 2080, 2145, 2288, 2344, 2640, 2860, 2930, 3120, 3223, 3432, 3516, 3809, 4290, 4395, 4576, 4688, 5280, 5720, 5860, 6240, 6446, 6864, 7032, 7618, 8580, 8790, 9376, 9669, 11427, 11440, 11720, 12892, 13728, 14064, 15236, 16115, 17160, 17580, 19045, 19338, 22854, 22880, 23440, 25784, 28128, 30472, 32230, 34320, 35160, 38090, 38676, 41899, 45708, 46880, 48345, 51568, 57135, 60944, 64460, 68640, 70320, 76180, 77352, 83798, 91416, 96690, 103136, 114270, 121888, 125697, 128920, 140640, 152360, 154704, 167596, 182832, 193380, 209495, 228540, 251394, 257840, 304720, 309408, 335192, 365664, 386760, 418990, 457080, 502788, 515680, 609440, 628485, 670384, 773520, 837980, 914160, 1005576, 1256970, 1340768, 1547040, 1675960, 1828320, 2011152, 2513940, 3351920, 4022304, 5027880, 6703840, 10055760, 20111520]

約数ペア:

[(1, 20111520), (2, 10055760), (3, 6703840), (4, 5027880), (5, 4022304), (6, 3351920), (8, 2513940), (10, 2011152), (11, 1828320), (12, 1675960), (13, 1547040), (15, 1340768), (16, 1256970), (20, 1005576), (22, 914160), (24, 837980), (26, 773520), (30, 670384), (32, 628485), (33, 609440), (39, 515680), (40, 502788), (44, 457080), (48, 418990), (52, 386760), (55, 365664), (60, 335192), (65, 309408), (66, 304720), (78, 257840), (80, 251394), (88, 228540), (96, 209495), (104, 193380), (110, 182832), (120, 167596), (130, 154704), (132, 152360), (143, 140640), (156, 128920), (160, 125697), (165, 121888), (176, 114270), (195, 103136), (208, 96690), (220, 91416), (240, 83798), (260, 77352), (264, 76180), (286, 70320), (293, 68640), (312, 64460), (330, 60944), (352, 57135), (390, 51568), (416, 48345), (429, 46880), (440, 45708), (480, 41899), (520, 38676), (528, 38090), (572, 35160), (586, 34320), (624, 32230), (660, 30472), (715, 28128), (780, 25784), (858, 23440), (879, 22880), (880, 22854), (1040, 19338), (1056, 19045), (1144, 17580), (1172, 17160), (1248, 16115), (1320, 15236), (1430, 14064), (1465, 13728), (1560, 12892), (1716, 11720), (1758, 11440), (1760, 11427), (2080, 9669), (2145, 9376), (2288, 8790), (2344, 8580), (2640, 7618), (2860, 7032), (2930, 6864), (3120, 6446), (3223, 6240), (3432, 5860), (3516, 5720), (3809, 5280), (4290, 4688), (4395, 4576)]