20672190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 70986240

約数和(自身を除く): 50314050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 30, 33, 35, 38, 42, 45, 55, 57, 63, 66, 70, 77, 90, 95, 99, 105, 110, 114, 126, 133, 154, 157, 165, 171, 190, 198, 209, 210, 231, 266, 285, 314, 315, 330, 342, 385, 399, 418, 462, 471, 495, 570, 627, 630, 665, 693, 770, 785, 798, 855, 942, 990, 1045, 1099, 1155, 1197, 1254, 1330, 1386, 1413, 1463, 1570, 1710, 1727, 1881, 1995, 2090, 2198, 2310, 2355, 2394, 2826, 2926, 2983, 3135, 3297, 3454, 3465, 3762, 3990, 4389, 4710, 5181, 5495, 5966, 5985, 6270, 6594, 6930, 7065, 7315, 8635, 8778, 8949, 9405, 9891, 10362, 10990, 11970, 12089, 13167, 14130, 14630, 14915, 15543, 16485, 17270, 17898, 18810, 19782, 20881, 21945, 24178, 25905, 26334, 26847, 29830, 31086, 32813, 32970, 36267, 41762, 43890, 44745, 49455, 51810, 53694, 60445, 62643, 65626, 65835, 72534, 77715, 89490, 98439, 98910, 104405, 108801, 120890, 125286, 131670, 134235, 155430, 164065, 181335, 187929, 196878, 208810, 217602, 229691, 268470, 295317, 313215, 328130, 362670, 375858, 459382, 492195, 544005, 590634, 626430, 689073, 939645, 984390, 1088010, 1148455, 1378146, 1476585, 1879290, 2067219, 2296910, 2953170, 3445365, 4134438, 6890730, 10336095, 20672190]

約数ペア:

[(1, 20672190), (2, 10336095), (3, 6890730), (5, 4134438), (6, 3445365), (7, 2953170), (9, 2296910), (10, 2067219), (11, 1879290), (14, 1476585), (15, 1378146), (18, 1148455), (19, 1088010), (21, 984390), (22, 939645), (30, 689073), (33, 626430), (35, 590634), (38, 544005), (42, 492195), (45, 459382), (55, 375858), (57, 362670), (63, 328130), (66, 313215), (70, 295317), (77, 268470), (90, 229691), (95, 217602), (99, 208810), (105, 196878), (110, 187929), (114, 181335), (126, 164065), (133, 155430), (154, 134235), (157, 131670), (165, 125286), (171, 120890), (190, 108801), (198, 104405), (209, 98910), (210, 98439), (231, 89490), (266, 77715), (285, 72534), (314, 65835), (315, 65626), (330, 62643), (342, 60445), (385, 53694), (399, 51810), (418, 49455), (462, 44745), (471, 43890), (495, 41762), (570, 36267), (627, 32970), (630, 32813), (665, 31086), (693, 29830), (770, 26847), (785, 26334), (798, 25905), (855, 24178), (942, 21945), (990, 20881), (1045, 19782), (1099, 18810), (1155, 17898), (1197, 17270), (1254, 16485), (1330, 15543), (1386, 14915), (1413, 14630), (1463, 14130), (1570, 13167), (1710, 12089), (1727, 11970), (1881, 10990), (1995, 10362), (2090, 9891), (2198, 9405), (2310, 8949), (2355, 8778), (2394, 8635), (2826, 7315), (2926, 7065), (2983, 6930), (3135, 6594), (3297, 6270), (3454, 5985), (3465, 5966), (3762, 5495), (3990, 5181), (4389, 4710)]