20898108

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 68947200

約数和(自身を除く): 48049092

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 359, 378, 396, 441, 462, 539, 588, 594, 693, 718, 756, 882, 924, 1077, 1078, 1188, 1323, 1386, 1436, 1617, 1764, 2079, 2154, 2156, 2513, 2646, 2772, 3231, 3234, 3949, 4158, 4308, 4851, 5026, 5292, 6462, 6468, 7539, 7898, 8316, 9693, 9702, 10052, 11847, 12924, 14553, 15078, 15796, 17591, 19386, 19404, 22617, 23694, 27643, 29106, 30156, 35182, 35541, 38772, 45234, 47388, 52773, 55286, 58212, 67851, 70364, 71082, 82929, 90468, 105546, 106623, 110572, 135702, 142164, 158319, 165858, 193501, 211092, 213246, 248787, 271404, 316638, 331716, 387002, 426492, 474957, 497574, 580503, 633276, 746361, 774004, 949914, 995148, 1161006, 1492722, 1741509, 1899828, 2322012, 2985444, 3483018, 5224527, 6966036, 10449054, 20898108]

約数ペア:

[(1, 20898108), (2, 10449054), (3, 6966036), (4, 5224527), (6, 3483018), (7, 2985444), (9, 2322012), (11, 1899828), (12, 1741509), (14, 1492722), (18, 1161006), (21, 995148), (22, 949914), (27, 774004), (28, 746361), (33, 633276), (36, 580503), (42, 497574), (44, 474957), (49, 426492), (54, 387002), (63, 331716), (66, 316638), (77, 271404), (84, 248787), (98, 213246), (99, 211092), (108, 193501), (126, 165858), (132, 158319), (147, 142164), (154, 135702), (189, 110572), (196, 106623), (198, 105546), (231, 90468), (252, 82929), (294, 71082), (297, 70364), (308, 67851), (359, 58212), (378, 55286), (396, 52773), (441, 47388), (462, 45234), (539, 38772), (588, 35541), (594, 35182), (693, 30156), (718, 29106), (756, 27643), (882, 23694), (924, 22617), (1077, 19404), (1078, 19386), (1188, 17591), (1323, 15796), (1386, 15078), (1436, 14553), (1617, 12924), (1764, 11847), (2079, 10052), (2154, 9702), (2156, 9693), (2513, 8316), (2646, 7898), (2772, 7539), (3231, 6468), (3234, 6462), (3949, 5292), (4158, 5026), (4308, 4851)]